obs-ffmpeg: Fix custom audio codec parameters

plugins/obs-ffmpeg/obs-ffmpeg-output.c

@@ -276,7 +276,7 @@ static bool create_video_stream(struct ffmpeg_data *data)
 static bool open_audio_codec(struct ffmpeg_data *data)
 {
 	AVCodecContext *context = data->audio->codec;
-	char **opts = strlist_split(data->config.video_settings, ' ', false);
+	char **opts = strlist_split(data->config.audio_settings, ' ', false);
 	int ret;
 
 	if (opts) {