now core, padsimple and dsp null can be buil in 64bit on osx

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@947 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DolphinWX/Src/MainNoGUI.cpp

@@ -78,7 +78,7 @@ void Host_SysMessage(const char *fmt, ...)
 }
 
 // Include SDL header so it can hijack main().
-#if !defined(_LP64) && !defined(__APPLE__)
+#if !defined(OSX64)
 #include <SDL.h>
 #endif
 int main(int argc, char* argv[])