Handle cases where '.' show up in svn status and is deleted

This would cause random try job failures, especially when switching around
DEPS <-> svn directory conversion.

[email protected]
BUG=
TEST=


Review URL: http://codereview.chromium.org/8431021

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@108144 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed