gmod_src: normalized map name on client

Revision 692
normalized map name on client
Save won’t spawn on a map where it’s not meant to spawnChanged Files:
[ul]
[li]trunk/src_garrysmod/garrysmod/garrysmod.cpp[/li][li]trunk/src_garrysmod/garrysmod/toybox/SpawnPackageSaveMap.cpp[/li][/ul]
Committed By Garry Newman