Update game description.

dlls/client.cpp

@@ -949,7 +949,7 @@ const char *GetGameDescription()
 	if( g_pGameRules ) // this function may be called before the world has spawned, and the game rules initialized
 		return g_pGameRules->GetGameDescription();
 	else
-		return "Half-Life";
+		return "Half-Life: Visitors";
 }
 
 /*

dlls/gamerules.h

@@ -76,7 +76,7 @@ public:
 	virtual BOOL IsDeathmatch( void ) = 0;//is this a deathmatch game?
 	virtual BOOL IsTeamplay( void ) { return FALSE; };// is this deathmatch game being played with team rules?
 	virtual BOOL IsCoOp( void ) = 0;// is this a coop game?
-	virtual const char *GetGameDescription( void ) { return "Half-Life"; }  // this is the game name that gets seen in the server browser
+	virtual const char *GetGameDescription( void ) { return "Half-Life: Visitors"; }  // this is the game name that gets seen in the server browser
 	
 	// Client connection/disconnection
 	virtual BOOL ClientConnected( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[128] ) = 0;// a client just connected to the server (player hasn't spawned yet)