Ensure that the entire banner window uses the same background colour as the
bitmap, even when the bitmap is too small for the window size. This allows to
avoid using huge bitmaps if extending the bitmap with solid colour looks good
enough.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69859 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Don't use WXDLLEXPORT_DATA when defining the variable, it can be only used
when declaring it.
This fixes wxMSW DLL build with MSVC.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68860 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775