Bug 53952; replace DDE client to prevent being blocked by ill-behaved applications; r=cathleen, sr=alecf

git-svn-id: svn://10.0.0.236/trunk@94977 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpfe/appshell/src/nsAppShellService.cpp

@@ -429,6 +429,13 @@ nsAppShellService::Quit()
   if (! mShuttingDown) {
     mShuttingDown = PR_TRUE;
 
+    // Shutdown native app support; doing this first will prevent new
+    // requests to open additional windows coming in.
+    if ( mNativeAppSupport ) {
+        mNativeAppSupport->Quit();
+        mNativeAppSupport = 0;
+    }
+
     // Enumerate through each open window and close it
     if (mWindowMediator) {
       nsCOMPtr<nsISimpleEnumerator> windowEnumerator;