Core/CharacterHandler: Fix ¨[ERROR] GetUInt32() on non-numeric field¨ on a certain query.

Author: toshik.777
Closes issue #5068

--HG--
branch : trunk

src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp

@@ -366,7 +366,7 @@ void WorldSession::HandleCharCreateOpcode(WorldPacket & recv_data)
         return;
     }
 
-    QueryResult resultacct = LoginDatabase.PQuery("SELECT SUM(numchars) FROM realmcharacters WHERE acctid = '%d'", GetAccountId());
+    QueryResult resultacct = LoginDatabase.PQuery("SELECT IFNULL(SUM(numchars), 0) FROM realmcharacters WHERE acctid = '%d'", GetAccountId());
     if (resultacct)
     {
         Field *fields = resultacct->Fetch();