Use InheritAttributes for wxGTK widgets so they will check

ShouldInheritColours.  Set wxButton to not inherit colours.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24702 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/button.h

@@ -67,6 +67,10 @@ public:
     void ApplyWidgetStyle();
     bool IsOwnGtkWindow( GdkWindow *window );
 
+    // Since this wxButton doesn't derive from wxButtonBase (why?) we need
+    // to override this here too...
+    virtual bool ShouldInheritColours() const { return false; }
+    
 protected:
     virtual wxSize DoGetBestSize() const;