Fix recursion problems when loading pages from a virtual file system using the WebKitGTK+ backend. Navigating through pages in an archive now works correctly.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68515 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/webview_webkit.h

@@ -137,6 +137,10 @@ public:
      */
     bool m_busy;
 
+    //We use this flag to stop recursion when we load a page from the navigation
+    //callback, mainly when loading a VFS page
+    bool m_guard;
+
 protected:
 
     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;