report global scale if none is set.
report global scale if none is set.

If there is no parent or no scale set we should report the global
value, not try to get from the existent parent that would fail the
API_ENTRY and thus return 1.0.



SVN revision: 41022

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