[Build] Fix for MSYS2 build while maintaining MSVC fix

cmake/FindRakNet.cmake

@@ -54,14 +54,22 @@ IF(RakNet_FOUND)
    IF (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
         SET(RakNet_LIBRARY optimized ${RakNet_LIBRARY_RELEASE} debug ${RakNet_LIBRARY_DEBUG})
 		IF(WIN32)
-			SET(RakNet_LIBRARY optimized ${RakNet_LIBRARY_RELEASE} debug ${RakNet_LIBRARY_DEBUG} ws2_32.lib)
+			IF(MSVC)
+				SET(RakNet_LIBRARY optimized ${RakNet_LIBRARY_RELEASE} debug ${RakNet_LIBRARY_DEBUG} ws2_32.lib)
+			ELSE()
+				SET(RakNet_LIBRARY optimized ${RakNet_LIBRARY_RELEASE} debug ${RakNet_LIBRARY_DEBUG} -lws2_32)
+			ENDIF(MSVC)
 		ENDIF(WIN32)
    ELSE()
         # if there are no configuration types and CMAKE_BUILD_TYPE has no value
         # then just use the release libraries
         SET(RakNet_LIBRARY ${RakNet_LIBRARY_RELEASE} )
 		IF(WIN32)
-			SET(RakNet_LIBRARY ${RakNet_LIBRARY_RELEASE} ws2_32.lib)
+			if(MSVC)
+				SET(RakNet_LIBRARY ${RakNet_LIBRARY_RELEASE} ws2_32.lib)
+			ELSE()
+				SET(RakNet_LIBRARY ${RakNet_LIBRARY_RELEASE} -lws2_32)
+			ENDIF(MSVC)
 		ENDIF(WIN32)
    ENDIF()