* src/gpgme.h.in: (gpgme_status_code_t): Add INQUIRE_MAXLEN.
* src/status-table.c (status_table_s): Ditto.
* src/genkey.c (genkey_status_handler): Parse INQUIRE_MAXLEN.
* src/decrypt.c (_gpgme_decrypt_status_handler): Ditto.
* src/sign.c (_gpgme_sign_status_handler): Ditto.
This status message informs the client of the maximum length of an
inquired line. It is sent from gpg and forwarded to the client via
gpgme_status_cb_t.