Core: Remove "enumeration value 'xxx' not handled in switch" warnings

--HG--
branch : trunk

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

@@ -214,6 +214,8 @@ void WorldSession::HandleQuestgiverAcceptQuestOpcode(WorldPacket & recv_data)
                 case TYPEID_GAMEOBJECT:
                     sScriptMgr.OnQuestAccept(_player, ((GameObject*)pObject), qInfo);
                     break;
+                default:
+                    break;
             }
             _player->PlayerTalkClass->CloseGossip();
 
@@ -322,6 +324,8 @@ void WorldSession::HandleQuestgiverChooseRewardOpcode(WorldPacket & recv_data)
                             _player->PlayerTalkClass->SendQuestGiverQuestDetails(nextquest,guid,true);
                     }
                     break;
+                default:
+                    break;
             }
         }
         else