Added support for Unicode rendering through Pango to wxX11.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17778 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/x11/app.h

@@ -101,6 +101,13 @@ public:
     const wxSize& GetInitialSize() const { return m_initialSize; }
     bool GetShowIconic() const { return m_showIconic; }
     
+#if wxUSE_UNICODE
+    // Global context for Pango layout. Either use X11
+    // or use Xft rendering according to GDK_USE_XFT
+    // environment variable
+    PangoContext* GetPangoContext();
+#endif    
+    
     // We need this before creating the app
     static   WXDisplay* GetDisplay() { return ms_display; }
     static   WXDisplay* ms_display;