Add example of setting width on the dialog, to workaround FF bug with file input controls.   Refs #5976.
Add example of setting width on the dialog, to workaround FF bug with file input controls.   Refs #5976.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@13128 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful