tons of fixes for wxGTK/Univ - seems to work, more or less, now

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10805 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/gridctrl.h

@@ -91,6 +91,8 @@ protected:
 };
 
 
+#if wxUSE_COMBOBOX
+
 class WXDLLEXPORT wxGridCellEnumEditor : public wxGridCellChoiceEditor
 {
 public:
@@ -106,6 +108,7 @@ private:
     long int   m_startint;
 };
 
+#endif // wxUSE_COMBOBOX
 
 class wxGridCellAutoWrapStringEditor : public wxGridCellTextEditor
 {