XK patch for adding jit config to audiocommon/c16 function to x64emitter

and Skidu's fix for 64bit


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5230 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/AudioCommon.cpp

@@ -102,4 +102,8 @@ namespace AudioCommon
 	   
 		return backends;
 	}
+
+	bool UseJIT() {
+		return ac_Config.m_EnableJIT;
+	}
 }