Floating window titlebar is corrupted on the right side if window is very wide (much wider than screen)

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Open a floating window that is 2-3 times wider than your screen
2. Move window (MODKEY+M1+move) to see it's right side

What is the expected result? What do you see instead?
Window titlebar is corrupted

What version of the product are you using (wmii -v)? On what operating
system (uname -a)?
wmii-3.9.2, ©2010 Kris Maglione
Linux n102847 3.5.0-23-generic #35-Ubuntu SMP Thu Jan 24 13:05:29 UTC 2013 i686 
i686 i686 GNU/Linux

Original issue reported on code.google.com by ruslan.khusnullin@gmail.com on 18 Feb 2013 at 11:40

Attachments:

• 2013-02-18-153315_1920x1080_scrot.png
• 2013-02-18-153337_1920x1080_scrot.png
• 2013-02-18-153350_1920x1080_scrot.png