Merge commit 'c0c2b96c'

* commit 'c0c2b96c':
  sctp: Add a note on why sctp_recvmsg and sctp_sendmsg have ff_-prefixes
  avs: Increase magic value score above file extension score

Conflicts:
	libavformat/avs.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>