Merge commit 'e9d61de9'

* commit 'e9d61de9':
  mpegaudiodec: Validate that the number of channels fits at the given offset

Conflicts:
	libavcodec/mpegaudiodec.c

See: 51fcf276Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/mpegaudiodec.c

@@ -1963,7 +1963,8 @@ static int decode_frame_mp3on4(AVCodecContext *avctx, void *data,
 
         avpriv_mpegaudio_decode_header((MPADecodeHeader *)m, header);
 
-        if (ch + m->nb_channels > avctx->channels || s->coff[fr] + m->nb_channels > avctx->channels) {
+        if (ch + m->nb_channels > avctx->channels ||
+            s->coff[fr] + m->nb_channels > avctx->channels) {
             av_log(avctx, AV_LOG_ERROR, "frame channel count exceeds codec "
                                         "channel count\n");
             return AVERROR_INVALIDDATA;