ffmpeg was adding an include `just incase`, without a cmake find module here -...

ffmpeg was adding an include `just incase`, without a cmake find module here - just check if the dir exists.

CMakeLists.txt

@@ -565,7 +565,14 @@ if(UNIX AND NOT APPLE)
 		endif()
 
 		mark_as_advanced(FFMPEG)
-		set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include ${FFMPEG}/include/ffmpeg)
+
+		# lame, but until we have propper find module for ffmpeg
+		set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include)
+		if(EXISTS "${FFMPEG}/include/ffmpeg/")
+			set(FFMPEG_INCLUDE_DIRS "${FFMPEG_INCLUDE_DIRS} ${FFMPEG}/include/ffmpeg")
+		endif()
+		# end lameness
+
 		mark_as_advanced(FFMPEG_LIBRARIES)
 		set(FFMPEG_LIBPATH ${FFMPEG}/lib)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__STDC_CONSTANT_MACROS")