Fix for #bot delete failing on bots with pets

[zippzipp]

It seems #bot delete fails if the bot has pets because the BotDelete function in bots.cpp does not delete the foreign keys relationships related to BotPets, BotPetBuffs, and BotPetInventories.

I fixed this:

Index: bot.cpp
===================================================================
--- bot.cpp	(revision 2506)
+++ bot.cpp	(working copy)
@@ -4249,6 +4250,8 @@
 	if(this->GetBotID() > 0) {
 		char* Query = 0;
 		char TempErrorMessageBuffer[MYSQL_ERRMSG_SIZE];
+		MYSQL_RES* DatasetResult;
+		MYSQL_ROW DataRow;
 
 		// TODO: These queries need to be ran together as a transaction.. ie, if one or more fail then they all will fail to commit to the database.
 
@@ -4258,6 +4261,31 @@
 		else
 			TempCounter++;
 
+		uint32 pet_id;
+		if(database.RunQuery(Query, MakeAnyLenString(&Query, "SELECT BotPetsId FROM botpets WHERE BotId = '%u'", this->GetBotID()), TempErrorMessageBuffer, &DatasetResult)) {
+			while(DataRow = mysql_fetch_row(DatasetResult)) {
+				pet_id= atoi(DataRow[0]);
+			}
+		}
+
+		if(!database.RunQuery(Query, MakeAnyLenString(&Query, "DELETE FROM botpetinventory WHERE BotPetsId = '%u'", pet_id), TempErrorMessageBuffer)) {
+			*errorMessage = std::string(TempErrorMessageBuffer);
+		}
+		else
+			TempCounter++;
+
+		if(!database.RunQuery(Query, MakeAnyLenString(&Query, "DELETE FROM botpetbuffs WHERE BotPetsId = '%u'", pet_id), TempErrorMessageBuffer)) {
+			*errorMessage = std::string(TempErrorMessageBuffer);
+		}
+		else
+			TempCounter++;
+
+		if(!database.RunQuery(Query, MakeAnyLenString(&Query, "DELETE FROM botpets WHERE BotId = '%u'", this->GetBotID()), TempErrorMessageBuffer)) {
+			*errorMessage = std::string(TempErrorMessageBuffer);
+		}
+		else
+			TempCounter++;
+
 		if(!database.RunQuery(Query, MakeAnyLenString(&Query, "DELETE FROM botbuffs WHERE botid = '%u'", this->GetBotID()), TempErrorMessageBuffer)) {
 			*errorMessage = std::string(TempErrorMessageBuffer);
 		}
@@ -4276,7 +4304,7 @@
 		else
 			TempCounter++;
 
-		if(TempCounter == 4)
+		if(TempCounter == 7)
 			Result = true;
 	}