James E. Blair e204daab5f Handle empty IMAGE_URL lines in devstack_cache ...

Handles lines of the form:
        IMAGE_URLS=${IMAGE_URLS:-};;

Change-Id: Id99586393d28c3c11846f76634256cb497812e5e

2014-02-16 07:15:49 -08:00

..

scripts

Handle empty IMAGE_URL lines in devstack_cache

2014-02-16 07:15:49 -08:00