Merge fixes for bugs 1362, 1666, 1863, KhronosRI and bld.inf.
EXPORTS
_ZN11SgExtension7VersionEv @ 1 NONAME
_ZN11SgExtension14CreateResourceEmRK6TDesC8iRP11DSgResource @ 2 NONAME
_ZN11SgExtension19FindAndOpenResourceEyRP11DSgResource @ 3 NONAME
_ZN11SgExtension19GlobalResourceCountEv @ 4 NONAME
_ZN11SgExtension24GlobalGraphicsMemoryUsedEv @ 5 NONAME