Xfce taskbar alignment

[sesamsys]

I guess it's because of the gtk update again, but Xfce's taskbar started to align the names of the tasks to the left, regardless of the setting I chose. Actually the whole alignment part in the taskbar settings page is greyed out...

I reemerged libxfcegui4, last time it helped, but no success.
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SeSam.hu - Kansai Edition
Linux lillemor 2.6.23-gentoo-r6 #1 SMP Mon Jan 28 08:41:19 JST 2008 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ AuthenticAMD GNU/Linux