gmod_src: Fixed HL1 zombie sounds

[garry]

[B]Revision 972[/B]
[INDENT]Fixed HL1 zombie sounds[/INDENT] [B]Changed Files:[/B]
[LIST]
[*]trunk/src_garrysmod/game/server/hl1/hl1_npc_zombie.cpp
[/LIST]

Committed By [B]Garry Newman[/B]