avcodec/proresenc_anatoliy: Fix memleak upon init error

A buffer may leak in case of YUVA444P10 with dimensions that are not
both divisible by 16.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit d789d72d30)

libavcodec/proresenc_anatoliy.c

@@ -957,6 +957,7 @@ AVCodec ff_prores_aw_encoder = {
     .capabilities   = AV_CODEC_CAP_FRAME_THREADS,
     .priv_class     = &proresaw_enc_class,
     .profiles       = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };
 
 AVCodec ff_prores_encoder = {
@@ -972,4 +973,5 @@ AVCodec ff_prores_encoder = {
     .capabilities   = AV_CODEC_CAP_FRAME_THREADS,
     .priv_class     = &prores_enc_class,
     .profiles       = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };