Fixed typos in frame and dialog,

Some improvemnts to DnD,
  It's no longer possible to close any
    frame if there is a dialog open.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4390 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/data.cpp

@@ -49,6 +49,9 @@ bool g_blockEventsOnDrag = FALSE;
 /* Don't allow mouse event propagation during scroll */
 bool g_blockEventsOnScroll = FALSE;
 
+/* Don't allow window closing if there are open dialogs */
+int g_openDialogs = 0;
+
 /* TRUE when the message queue is empty. this gets set to
    FALSE by all event callbacks before anything else is done */
 bool g_isIdle = FALSE;