Must insert WM_QUIT back into the message queue if eaten

by wxYieldForCommandsOnly. Cures the taskbar sample GPF.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@18002 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/window.cpp

@@ -1891,6 +1891,10 @@ static void wxYieldForCommandsOnly()
     {
         wxTheApp->DoMessage((WXMSG *)&msg);
     }
+    
+    // If we retrieved a WM_QUIT, insert back into the message queue.
+    if (msg.message == WM_QUIT)
+        ::PostQuitMessage(0);
 }
 
 bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)