[Bug 793437] Add proper PKG_CONFIG_PATH for Debian multiarch

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=793437

--- Comment #7 from Omar Akkila <omar.akkila at collabora.co.uk> ---
^ This patch worked after starting a build from scratch. Let me know if still
needs more work

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are the assignee for the bug.