Fix: Build with FFmpeg 6.0

Index: source/blender/blenkernel/intern/writeffmpeg.c
--- source/blender/blenkernel/intern/writeffmpeg.c.orig
+++ source/blender/blenkernel/intern/writeffmpeg.c
@@ -644,7 +644,7 @@ static AVStream *alloc_video_stream(FFMpegContext *con
                                                             255);
   st->avg_frame_rate = av_inv_q(c->time_base);
 
-  if (codec->capabilities & AV_CODEC_CAP_AUTO_THREADS) {
+  if (codec->capabilities & AV_CODEC_CAP_OTHER_THREADS) {
     c->thread_count = 0;
   }
   else {
