ignore STOC_GAME_MSG outside duel

[mercury233]

Sometimes the client still receive STOC_GAME_MSG when changing side, and processing that message may crash the client because the field is cleared.

[DailyShana]

sometimes is what time? the server side should guarantee the correctness of messages

[mercury233]

if the order is guaranteed, the client can safely ignore that msg

[DailyShana]

what order?
If the client receives STOC_GAME_MSG when changing side, there must be a bug in the server

[purerosefallen]

There is 1 case. Sometimes MSG_WIN would be received while changing side when opponent quits.