* commit '4521645b':
  avio: fix pointer type mismatches in avio_enum_protocols()
  avserver: use socklen_t where appropriate
  udp: use socklen_t where appropriate
  network: use HAVE_THREADS instead of local hack
  af_channelmap: remove stray enum declaration
  buffersink: remove stray semicolon after function definition

Conflicts:
	libavformat/avio.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>