Core/DBlayer: ... and some more COUNT()-based type-fixing ...

src/server/game/Accounts/AccountMgr.cpp

@@ -232,10 +232,10 @@ uint32 GetCharactersCount(uint32 accountId)
 {
     // check character count
     PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_SUM_CHARS);
-    stmt->setUInt32(0, accountId);
+    stmt->setUInt64(0, accountId);
     PreparedQueryResult result = CharacterDatabase.Query(stmt);
 
-    return (result) ? (*result)[0].GetUInt32() : 0;
+    return (result) ? (*result)[0].GetUInt64() : 0;
 }
 
 bool normalizeString(std::string& utf8String)

src/server/game/Handlers/CharacterHandler.cpp

@@ -449,7 +449,7 @@ void WorldSession::HandleCharCreateCallback(PreparedQueryResult result, Characte
             ASSERT(_charCreateCallback.GetParam() == createInfo);
 
             PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_SUM_CHARS);
-            stmt->setUInt32(0, GetAccountId());
+            stmt->setUInt64(0, GetAccountId());
 
             _charCreateCallback.FreeResult();
             _charCreateCallback.SetFutureResult(CharacterDatabase.AsyncQuery(stmt));