libavformat/oggenc: add {} to complex ifs

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

libavformat/oggenc.c

@@ -387,13 +387,13 @@ static int ogg_write_header(AVFormatContext *s)
         AVStream *st = s->streams[i];
         unsigned serial_num = i;
 
-        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
             if (st->codec->codec_id == AV_CODEC_ID_OPUS)
                 /* Opus requires a fixed 48kHz clock */
                 avpriv_set_pts_info(st, 64, 1, 48000);
             else
                 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
-        else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
             avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
         if (st->codec->codec_id != AV_CODEC_ID_VORBIS &&
             st->codec->codec_id != AV_CODEC_ID_THEORA &&