Fix minor documentation problem.

--
Fixes bug#1404.
(There is mentioned data field “recipient”, but actual data field
name is “recipients”.)

doc/gpgme.texi

@@ -41,7 +41,7 @@ General Public License for more details.
 @end macro
 
 
-@c 
+@c
 @c  T I T L E  P A G E
 @c
 @ifinfo
@@ -153,7 +153,7 @@ Error Handling
 * Error Sources::                 A list of important error sources.
 * Error Strings::                 How to get a descriptive string from a value.
 
-Exchanging Data 
+Exchanging Data
 
 * Creating Data Buffers::         Creating new data buffers.
 * Destroying Data Buffers::       Releasing data buffers.
@@ -1543,7 +1543,7 @@ Memory based data objects store all data in allocated memory.  This is
 convenient, but only practical for an amount of data that is a
 fraction of the available physical memory.  The data has to be copied
 from its source and to its destination, which can often be avoided by
-using one of the other data object 
+using one of the other data object
 
 @deftypefun gpgme_error_t gpgme_data_new (@w{gpgme_data_t *@var{dh}})
 The function @code{gpgme_data_new} creates a new @code{gpgme_data_t}
@@ -1987,7 +1987,7 @@ the data object with the handle @var{dh} to @var{enc}.
 
 @c
 @c    Chapter Contexts
-@c 
+@c
 @node Contexts
 @chapter Contexts
 @cindex context
@@ -2726,7 +2726,7 @@ issuer name.
 @item char *chain_id
 If @code{protocol} is @code{GPGME_PROTOCOL_CMS}, then this is the
 chain ID, which can be used to built the certificate chain.
- 
+
 @item gpgme_validity_t owner_trust
 If @code{protocol} is @code{GPGME_PROTOCOL_OpenPGP}, then this is the
 owner trust.
@@ -3513,7 +3513,7 @@ are reported by the crypto engine support routines.
 @cindex key ring, import to
 
 Importing keys means the same as running @command{gpg} with the command
-@option{--import}. 
+@option{--import}.
 
 
 @deftypefun gpgme_error_t gpgme_op_import (@w{gpgme_ctx_t @var{ctx}}, @w{gpgme_data_t @var{keydata}})
@@ -4101,7 +4101,7 @@ algorithm that is not supported.
 @item unsigned int wrong_key_usage : 1
 This is true if the key was not used according to its policy.
 
-@item gpgme_recipient_t recipient
+@item gpgme_recipient_t recipients
 This is a linked list of recipients to which this message was encrypted.
 
 @item char *file_name
@@ -4265,16 +4265,16 @@ The defined bits are:
   Can't verify due to a missing key or certificate.
 
   @item GPGME_SIGSUM_CRL_MISSING
-  The CRL (or an equivalent mechanism) is not available. 
+  The CRL (or an equivalent mechanism) is not available.
 
   @item GPGME_SIGSUM_CRL_TOO_OLD
   Available CRL is too old.
 
   @item GPGME_SIGSUM_BAD_POLICY
-  A policy requirement was not met. 
+  A policy requirement was not met.
 
   @item GPGME_SIGSUM_SYS_ERROR
-  A system error occured. 
+  A system error occured.
   @end table
 
 @item char *fpr
@@ -4339,7 +4339,7 @@ Values are:
   @item 0
         No PKA information available or verification not possible.
   @item 1
-        PKA verification failed. 
+        PKA verification failed.
   @item 2
         PKA verification succeeded.
   @item 3
@@ -4459,7 +4459,7 @@ have a different status.  You can get each key's status with
 
 @deftypefun {const char *} gpgme_get_sig_status (@w{gpgme_ctx_t @var{ctx}}, @w{int @var{idx}}, @w{gpgme_sig_stat_t *@var{r_stat}}, @w{time_t *@var{r_created}})
 The function @code{gpgme_get_sig_status} is equivalent to:
- 
+
 @example
   gpgme_verify_result_t result;
   gpgme_signature_t sig;
@@ -4482,27 +4482,27 @@ The function @code{gpgme_get_sig_status} is equivalent to:
 	case GPG_ERR_NO_ERROR:
 	  *r_stat = GPGME_SIG_STAT_GOOD;
 	  break;
-	  
+
 	case GPG_ERR_BAD_SIGNATURE:
 	  *r_stat = GPGME_SIG_STAT_BAD;
 	  break;
-	  
+
 	case GPG_ERR_NO_PUBKEY:
 	  *r_stat = GPGME_SIG_STAT_NOKEY;
 	  break;
-	  
+
 	case GPG_ERR_NO_DATA:
 	  *r_stat = GPGME_SIG_STAT_NOSIG;
 	  break;
-	  
+
 	case GPG_ERR_SIG_EXPIRED:
 	  *r_stat = GPGME_SIG_STAT_GOOD_EXP;
 	  break;
-	  
+
 	case GPG_ERR_KEY_EXPIRED:
 	  *r_stat = GPGME_SIG_STAT_GOOD_EXPKEY;
 	  break;
-	  
+
 	default:
 	  *r_stat = GPGME_SIG_STAT_ERROR;
 	  break;
@@ -4516,7 +4516,7 @@ The function @code{gpgme_get_sig_status} is equivalent to:
 
 @deftypefun {const char *} gpgme_get_sig_string_attr (@w{gpgme_ctx_t @var{ctx}}, @w{int @var{idx}}, @w{gpgme_attr_t @var{what}}, @w{int @var{whatidx}})
 The function @code{gpgme_get_sig_string_attr} is equivalent to:
- 
+
 @example
   gpgme_verify_result_t result;
   gpgme_signature_t sig;
@@ -4552,7 +4552,7 @@ The function @code{gpgme_get_sig_string_attr} is equivalent to:
 
 @deftypefun {const char *} gpgme_get_sig_ulong_attr (@w{gpgme_ctx_t @var{ctx}}, @w{int @var{idx}}, @w{gpgme_attr_t @var{waht}}, @w{int @var{whatidx}})
 The function @code{gpgme_get_sig_ulong_attr} is equivalent to:
- 
+
 @example
   gpgme_verify_result_t result;
   gpgme_signature_t sig;
@@ -4584,22 +4584,22 @@ The function @code{gpgme_get_sig_ulong_attr} is equivalent to:
 	@{
 	case GPG_ERR_NO_ERROR:
 	  return GPGME_SIG_STAT_GOOD;
-	  
+
 	case GPG_ERR_BAD_SIGNATURE:
 	  return GPGME_SIG_STAT_BAD;
-	  
+
 	case GPG_ERR_NO_PUBKEY:
 	  return GPGME_SIG_STAT_NOKEY;
-	  
+
 	case GPG_ERR_NO_DATA:
 	  return GPGME_SIG_STAT_NOSIG;
-	  
+
 	case GPG_ERR_SIG_EXPIRED:
 	  return GPGME_SIG_STAT_GOOD_EXP;
-	  
+
 	case GPG_ERR_KEY_EXPIRED:
 	  return GPGME_SIG_STAT_GOOD_EXPKEY;
-	  
+
 	default:
 	  return GPGME_SIG_STAT_ERROR;
 	@}
@@ -5671,7 +5671,7 @@ struct IOCB @{
 class MyApp : public QApplication @{
 
   // ...
-  
+
   static void registerGpgmeIOCallback( void * data, int fd, int dir,
                                        GpgmeIOCb func, void * func_data,
                                        void ** tag ) @{