[FFmpeg-cvslog] Merge remote-tracking branch 'qatar/master'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jun 28 00:42:47 2012 +0200| [87df986dcf90dcda2d10d9c3b3c84656cdd032aa] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  mss1: validate number of changeable palette entries
  mss1: report palette changed when some additional colours were decoded
  x86: fft: replace call to memcpy by a loop
  udp: Support IGMPv3 source specific multicast and source blocking
  dxva2: include dxva.h if found
  libm: Provide fallback definitions for isnan() and isinf()
  tcp: Pass NULL as hostname to getaddrinfo if the string is empty
  tcp: Set AI_PASSIVE when the socket will be used for listening

Conflicts:
	configure
	libavcodec/mss1.c
	libavformat/udp.c

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=87df986dcf90dcda2d10d9c3b3c84656cdd032aa
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