Merge commit '06d433366c02ab81a1aaad33d32934b4180d354b' into release/2.4

* commit '06d433366c02ab81a1aaad33d32934b4180d354b':
  h264: Do not share rbsp_buffer across threads

Conflicts:
	libavcodec/h264.c

See: ecbf838c7d
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/h264.c

@@ -727,8 +727,8 @@ static int decode_init_thread_copy(AVCodecContext *avctx)
     memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
     memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
 
-    h->rbsp_buffer[0] = NULL;
-    h->rbsp_buffer[1] = NULL;
+    h->rbsp_buffer[0]      = NULL;
+    h->rbsp_buffer[1]      = NULL;
     h->rbsp_buffer_size[0] = 0;
     h->rbsp_buffer_size[1] = 0;
     h->context_initialized = 0;