avformat/hlsenc: set AVFMT_NODIMENSIONS

Same as previous commit but for mpegts inside HLS.

Signed-off-by: Aman Gupta <aman@tmm1.net>

libavformat/hlsenc.c

@@ -2875,7 +2875,7 @@ AVOutputFormat ff_hls_muxer = {
     .audio_codec    = AV_CODEC_ID_AAC,
     .video_codec    = AV_CODEC_ID_H264,
     .subtitle_codec = AV_CODEC_ID_WEBVTT,
-    .flags          = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
+    .flags          = AVFMT_NOFILE | AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_NODIMENSIONS,
     .init           = hls_init,
     .write_header   = hls_write_header,
     .write_packet   = hls_write_packet,