gmod_src: Compile fixes

Revision 1029
Compile fixes Changed Files:
[ul]
[li]trunk/src_garrysmod/game/client/client_gmod.vcproj [/li][li]trunk/src_garrysmod/public/steam/matchmakingtypes.h [/li][li]trunk/src_garrysmod/public/steam/steam_api.h [/li][li]trunk/src_garrysmod/public/tier1/utlintrusivelist.h[/li][/ul]

Committed By Garry Newman