Code review comment for lp://staging/~jfbcable/ubuntu/wily/sane-backends/fix-pixma

Thanks for this merge request.

This is the upstream commit:
http://anonscm.debian.org/cgit/sane/sane-backends.git/commit/backend/pixma_bjnp.c?id=43bca22e0cc9ad7e2024a4f97be7250aa72c7992

Could you please update the patch with appropriate tags, including a reference to the upstream commit?
Also, could you please add an appropriate description to the debian/changelog on what the patch fixes?

Thanks!