Compilation fixes for WXWIN_COMPATIBILITY_2_4.

Don't include wx/wx.h, use the much smaller set of
required headers instead.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23569 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/tex2rtf/src/tex2rtf.h

@@ -10,6 +10,11 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef NO_GUI
+#include "wx/app.h"
+#include "wx/frame.h"
+
+class WXDLLEXPORT wxTextCtrl;
+
 // Define a new application type
 class MyApp: public wxApp
 { public: