added wxTextEntry common base class for both wxTextCtrl and wxComboBox; refactor wxGTK code to put common parts of these classes in the base class; fixed some inconsistencies in the text control behaviour between platforms

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48944 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/combocmn.cpp

@@ -34,6 +34,7 @@
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/timer.h"
+    #include "wx/textctrl.h"
 #endif
 
 #include "wx/tooltip.h"