Merge commit '73ff983e8dd22ccee166403d0bbbc9c1cd543622'

* commit '73ff983e8dd22ccee166403d0bbbc9c1cd543622':
  fft: x86: cosmetics: Drop silly comments, add comment, whitespace

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

diff --cc libavcodec/x86/fft_init.c
index 337f32d,2234d76..928f1dc
--- 1/libavcodec/x86/fft_init.c
--- 2/libavcodec/x86/fft_init.c
+++ b/libavcodec/x86/fft_init.c
@@@ -26,12 -28,8 +28,11 @@@ av_cold void ff_fft_init_x86(FFTContex
  {
      int cpu_flags = av_get_cpu_flags();
  
 +    if (s->nbits > 16)
 +        return;
 +
  #if ARCH_X86_32
      if (EXTERNAL_AMD3DNOW(cpu_flags)) {
-         /* 3DNow! for K6-2/3 */
          s->imdct_calc = ff_imdct_calc_3dnow;
          s->imdct_half = ff_imdct_half_3dnow;
          s->fft_calc   = ff_fft_calc_3dnow;