Fixed linking error on Visual Studio.

src/propertySet.cpp

@@ -275,6 +275,9 @@ const string& propertySet::property::getName() const
 }
 
 
+#ifndef _MSC_VER
+
+
 const string& propertySet::property::getValue() const
 {
 	return (m_value);
@@ -287,6 +290,9 @@ void propertySet::property::setValue(const string& value)
 }
 
 
+#endif // !_MSC_VER
+
+
 #ifndef VMIME_INLINE_TEMPLATE_SPECIALIZATION
 
 template <>

vmime/propertySet.hpp

@@ -63,6 +63,11 @@ public:
 		  */
 		const string& getName() const;
 
+#ifndef _MSC_VER
+
+		// Visual Studio errors on linking with these 2 functions,
+		// whereas GCC and CLang need them.
+
 		/** Return the value of the property as a string.
 		  *
 		  * @return current value of the property
@@ -75,6 +80,8 @@ public:
 		  */
 		void setValue(const string& value);
 
+#endif  // !_MSC_VER
+
 		/** Set the value of the property as a generic type.
 		  *
 		  * @param value new value for property