Use larger bold font for the main message in wxGenericMessageDialog if the extended message is also given to make it stand out similarly to how it happens in the native GTK and MSW dialogs. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65363 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775