ppc: Only compile AltiVec FFT assembly when AltiVec is enabled
id3v2: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Add wmv2 dependency to vc1 compilation.

Fixes compilation with --disable-everything --enable-decoder=vc1.
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  id3v2: K&R formatting cosmetics
  ppc: Only compile AltiVec FFT assembly when AltiVec is enabled

Conflicts:
	libavformat/id3v2.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Add wmv2 dependency to vc1 compilation.

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