Fix shader cache bugs, improving linux speed. Remove some unnecessary printfs.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@153 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/GLInit.cpp

@@ -81,6 +81,7 @@ BOOL Callback_PeekMessages()
     while (XPending(GLWin.dpy) > 0) {
         XNextEvent(GLWin.dpy, &event);
 	}
+	return TRUE;
 #endif
 }