Fix invisible mouse (GuildWars) (3rd try......:( )

[lnd at denhulster.nl]

> Following patch fixes an invisible cursor  in Guild Wars; problem
> described here:
>
> http://appdb.winehq.org/appview.php?versionId=3251.
>
> Changelog: return 0 if we have an empty cursor.
> Regards, Louis Lenders
-------------- next part --------------
A non-text attachment was scrubbed...
Name: patch.diff
Type: application/octet-stream
Size: 337 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20050923/507d0635/patch-0001.obj