Hatelist crash fix

zone/hate_list.cpp

@@ -445,6 +445,17 @@ Mob *HateList::GetMostHate(){
 Mob *HateList::GetRandom()
 {
 	int count = list.size();
+	if(count == 0) //If we don't have any entries it'll crash getting a random 0, -1 position.
+		return NULL;
+
+	if(count == 1) //No need to do all that extra work if we only have one hate entry
+	{
+		if(*list.begin()) // Just in case tHateEntry is invalidated somehow...
+		return (*list.begin())->ent;
+
+		return NULL;
+	}
+
 	auto iterator = list.begin();
 	int random = MakeRandomInt(0, count - 1);
 	for (int i = 0; i < random; i++)