Update to xfsprogs-3.2.2.
Update to librsvg-2.40.6.
Update to ffmpeg-2.5.
Comment out unused sed in libsigc++-2.4.0.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk@15133 af4574ff-66df-0310-9fd7-8a98e5e911e0