Fix a few warnings

code/game/ai_dmq3.c

@@ -1487,7 +1487,7 @@ EasyClientName
 char *EasyClientName(int client, char *buf, int size) {
 	int i;
 	char *str1, *str2, *ptr, c;
-	char name[128];
+	char name[128] = {0};
 
 	ClientName(client, name, sizeof(name));
 	

code/game/ai_team.c

@@ -1757,7 +1757,7 @@ BotHarvesterOrders
 */
 void BotHarvesterOrders(bot_state_t *bs) {
 	int numteammates, defenders, attackers, i;
-	int teammates[MAX_CLIENTS];
+	int teammates[MAX_CLIENTS] = {0};
 	char name[MAX_NETNAME];
 
 	//sort team mates by travel time to base

code/game/bg_misc.c

@@ -1087,7 +1087,6 @@ qboolean BG_CanItemBeGrabbed( int gametype, const entityState_t *ent, const play
 		// don't pick up if already at max
 #ifdef MISSIONPACK
 		if( bg_itemlist[ps->stats[STAT_PERSISTANT_POWERUP]].giTag == PW_GUARD ) {
-			upperBound = ps->stats[STAT_MAX_HEALTH];
 		}
 		else
 #endif

code/game/g_items.c

@@ -348,6 +348,10 @@ RespawnItem
 ===============
 */
 void RespawnItem( gentity_t *ent ) {
+	if (!ent) {
+		return;
+	}
+
 	// randomly select from teamed entities
 	if (ent->team) {
 		gentity_t	*master;

code/game/g_mover.c

@@ -881,6 +881,10 @@ void Think_SpawnNewDoorTrigger( gentity_t *ent ) {
 	vec3_t		mins, maxs;
 	int			i, best;
 
+	if (!ent) {
+		return;
+	}
+
 	// set all of the slaves as shootable
 	for ( other = ent ; other ; other = other->teamchain ) {
 		other->takedamage = qtrue;

code/game/g_svcmds.c

@@ -132,11 +132,11 @@ UpdateIPBans
 */
 static void UpdateIPBans (void)
 {
-	byte	b[4];
-	byte	m[4];
+	byte	b[4] = {0};
+	byte	m[4] = {0};
 	int		i,j;
-	char	iplist_final[MAX_CVAR_VALUE_STRING];
-	char	ip[64];
+	char	iplist_final[MAX_CVAR_VALUE_STRING] = {0};
+	char	ip[64] = {0};
 
 	*iplist_final = 0;
 	for (i = 0 ; i < numIPFilters ; i++)
@@ -178,7 +178,7 @@ qboolean G_FilterPacket (char *from)
 {
 	int		i;
 	unsigned	in;
-	byte m[4];
+	byte m[4] = {0};
 	char *p;
 
 	i = 0;