add simple PC logging facility for debugging. not enabled by default.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@125 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/x64Emitter.cpp

@@ -16,6 +16,7 @@
 // http://code.google.com/p/dolphin-emu/
 #include "Common.h"
 #include "x64Emitter.h"
+#include "ABI.h"
 #include "CPUDetect.h"
 
 namespace Gen