Suppress error message to log files

[<selsyn@midwest.net>]

Play one game and 

This entry found in /var/log/{messages,syslog,user.log}:
Jan 26 00:55:23 debian quadrapassel[5542]: ../../../../../gdk/x11/gdkwindow-x11.c:5611 
    drawable is not a native X11 window

# Size of messages file
jim:/var/log$   ls -lh messages
-rw-r----- 1 root adm 250K Jan 28 13:58 messages

# Lines of duplicate error
jim:/var/log$  grep quadrapassel messages | wc -l 
1977 

# Remove the offending lines
jim:/var/log$  sed -i '/quadrapassel/d' messages

# New size 
jim:/var/log$  ls -lh messages
-rw-r----- 1 root adm 13K Jan 28 14:02 messages

That's  (250K-13K) * 3  filling the log files per game.

How do I suppress the posting of this "error".