Get rid of locks added InterlockedExchangeAdd function in thread.cpp

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@748 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/Thread.h

@@ -113,6 +113,9 @@ class Event
 void SleepCurrentThread(int ms);
 
 void SetCurrentThreadName(const char* name);
+
+int InterlockedExchangeAdd( int* Addend, int Increment );
 } // end of namespace Common
 
+
 #endif