don't inherit the controls colours from the parent - at least for the background colour this is not the right thing to do

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14314 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/statbox.cpp

@@ -79,6 +79,9 @@ bool wxStaticBox::Create(wxWindow *parent,
                            WS_EX_TRANSPARENT) )
         return FALSE;
 
+    // to be transparent we should have the same colour as the parent as well
+    SetBackgroundColour(GetParent()->GetBackgroundColour());
+
     return TRUE;
 }