Don't require gst-validate to be available
@slomo
Submitted by Sebastian Dröge (slomo) Assigned to Sebastian Dröge (slomo) @slomo
Description
Should be self-explanatory. See this patch
https://anonscm.debian.org/cgit/pkg-gstreamer/pitivi.git/tree/debian/patches/0001-Don-t-require-gst-validate-to-be-available.patch