Fix the video software backend. (closes issue 4269)

Some warning fixes and cleanup.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7361 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.cpp

@@ -19,7 +19,7 @@
 
 #include "EfbInterface.h"
 #include "BPMemLoader.h"
-#include "../../../Core/VideoCommon/Src/LookUpTables.h"
+#include "LookUpTables.h"
 #include "SWPixelEngine.h"