Commit [fbbf68] 3.0.x pv_3_0_1 Maximize Restore History

Fix check for tree update when files don't exist.

The condition was failing to take into account the initial state
of the VPTFile object, so sometimes files that didn't exist failed
to show the appropriate icon.

Marcelo Vanzin Marcelo Vanzin 2010-06-13

changed projectviewer/vpt/
projectviewer/vpt/ Diff Switch to side-by-side view