[Bug 21132] 'cmd echo on' sometimes fails

http://bugs.winehq.org/show_bug.cgi?id=21132

--- Comment #2 from Jason Edmeades   2010-01-06 17:41:29 ---
Created an attachment (id=25595)
 --> (http://bugs.winehq.org/attachment.cgi?id=25595)
patch

Does this patch help (you might need to apply the one in 21047 first if the
chunks dont line up, but the changes are independant). I dont quite like the
casting of the 'where' away from const, but I couldnt see how to avoid that.
Feel free to submit