Document audio_resample_close().

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/avcodec.h

@@ -3268,10 +3268,10 @@ ReSampleContext *av_audio_resample_init(int output_channels, int input_channels,
 int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
 
 /**
- * Free resample context s.
+ * Free resample context.
  *
  * @param s a non-NULL pointer to a resample context previously
- * created with av_audio_resample_init()
+ *          created with av_audio_resample_init()
  */
 void audio_resample_close(ReSampleContext *s);