When configuring the source outside of the git tree (i.e. git checkout-index ...), 'git rev-list --count HEAD' will fail.  Thus, just set v_rev to 0 like we did when this was an svn managed project.
When configuring the source outside of the git tree
(i.e. git checkout-index ...), 'git rev-list --count HEAD'
will fail.  Thus, just set v_rev to 0 like we did when this
was an svn managed project.

Signed-off-by: U. Artie Eoff <32aece0d55055227b44d04b7d0051cf3d04ee871@intel.com>

FlorentRevest/Elementary,tasn/elementary,tasn/elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,rvandegrift/elementary,rvandegrift/elementary,rvandegrift/elementary,tasn/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,rvandegrift/elementary