JOHNE - Add a preprocessor symbol which isn't normally defined for MSVC-8
JOHNE - Add a preprocessor symbol which isn't normally defined for MSVC-8

(note that this symbol is only valid for Windows Vista upwards - i.e. from today, Glib will no longer be compatible with Windows XP). Use glib ver 2.44 if you need compatibility with XP.

johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib