hw/xwin: Fix declaration after statement warning in ddxGiveUp()

Signed-off-by: Colin Harrison <colin.harrison@virgin.net>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>

hw/xwin/InitOutput.c

@@ -271,10 +271,10 @@ ddxGiveUp(enum ExitCode error)
     PostQuitMessage(0);
 
     {
-        winDebug("ddxGiveUp - Releasing termination mutex\n");
-
         int iReturn = pthread_mutex_unlock(&g_pmTerminating);
 
+        winDebug("ddxGiveUp - Releasing termination mutex\n");
+
         if (iReturn != 0) {
             ErrorF("winMsgWindowProc - pthread_mutex_unlock () failed: %d\n",
                    iReturn);