* newdev/master:
  matroskadec: set default duration for simple block
  When building for MinGW32 disable strict ANSI compliancy.
  ARM: fix ff_apply_window_int16_neon() prototype
  configure: check for --as-needed support early
  ARM: NEON optimised apply_window_int16()
  ac3enc: NEON optimised shift functions
  ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min
  mpeg12.c: fix slice threading for mpeg2 field picture mode.
  ffmetadec.c: fix compiler warnings.
  configure: Don't explicitly disable ffplay or in/outdevices on dos
  configure: Remove the explicit disabling of ffserver
  configure: Add fork as a dependency to ffserver
Merged-by: Michael Niedermayer <michaelni@gmx.at>