Commit c5b5bcdc for libheif

commit c5b5bcdce8d86ef7245ae35e9b6927476ecb240d
Author: Dirk Farin <dirk.farin@gmail.com>
Date:   Sun Dec 14 15:19:32 2025 +0100

    [BSD3] when encoding as image-sequence, add first image as image item

diff --git a/examples/heif_enc.cc b/examples/heif_enc.cc
index a25c9b33..a1599e3a 100644
--- a/examples/heif_enc.cc
+++ b/examples/heif_enc.cc
@@ -2429,5 +2429,12 @@ int do_encode_sequence(heif_context* context, heif_encoder* encoder, heif_encodi
   heif_track_release(track);
   heif_sequence_encoding_options_release(encoding_options);

+
+  // --- add first image as image item
+
+  if (!use_video_handler) {
+    do_encode_images(context, encoder, options, {args[0]});
+  }
+
   return 0;
 }