vc2enc: mark as FF_CODEC_CAP_INIT_THREADSAFE and align AVCodec entries

The encoder does not modify any global variables.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

libavcodec/vc2enc.c

@@ -1185,16 +1185,17 @@ static const enum AVPixelFormat allowed_pix_fmts[] = {
 };
 
 AVCodec ff_vc2_encoder = {
-    .name = "vc2",
-    .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-2"),
-    .type = AVMEDIA_TYPE_VIDEO,
-    .id = AV_CODEC_ID_DIRAC,
+    .name           = "vc2",
+    .long_name      = NULL_IF_CONFIG_SMALL("SMPTE VC-2"),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_DIRAC,
     .priv_data_size = sizeof(VC2EncContext),
-    .init = vc2_encode_init,
-    .close = vc2_encode_end,
-    .capabilities = AV_CODEC_CAP_SLICE_THREADS,
-    .encode2 = vc2_encode_frame,
-    .priv_class = &vc2enc_class,
-    .defaults = vc2enc_defaults,
-    .pix_fmts = allowed_pix_fmts
+    .init           = vc2_encode_init,
+    .close          = vc2_encode_end,
+    .capabilities   = AV_CODEC_CAP_SLICE_THREADS,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
+    .encode2        = vc2_encode_frame,
+    .priv_class     = &vc2enc_class,
+    .defaults       = vc2enc_defaults,
+    .pix_fmts       = allowed_pix_fmts
 };