ChessGame.class.inc: fix sending resign message
ChessGame.class.inc: fix sending resign message

Resign messages were sent to the wrong account (a GameID was passed
to a function expecting an AccountID).

smrealms/smr,hemberger/smr,smrealms/smr,smrealms/smr,hemberger/smr,hemberger/smr,hemberger/smr