[Bug-XBoard] Problem with seek graph

[Byrial Jensen]

I had a problem with using the seek graph while playing on FICS.

I had made a "seek" command, and while waiting for a game I clicked on 
the board to see a seek graph.

But the at same time someone accepted my previous seek creating a new 
game. The result was:
1) The server's answer to a "sought" command was displayed in the console.
2) The board changed to an empty seek graph with the coordinate system 
but no dots.
3) I could not return to viewing the board again. Clicking on the empty 
seek graph had no effect. So I was unable to play the game. Only when 
the game was aborted I could return to the chessboard again.