libpano13 built successfully for bpo on both arm (Sept 20) and amd64
(Sept 18), however the packages have not been uploaded. This caused
hugin to FTBFS. Could reschedule/upload libpano13 and set a dep-wait
on libpano13-dev >= 2.9.14~0 for hugin 0.8.0.dfsg-2~bpo50+1?