Allow passing wxLongLong objects when a "%lld" format specifier (or equivalent) is used just as we already do for wxString objects when "%s" is used. This is more convenient and makes wxLongLong closes to the native type. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67760 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775