Commit 4cb10da3 for libheif

commit 4cb10da3e27303d59541e9687c26c7d4a8c5125c
Author: Dirk Farin <dirk.farin@gmail.com>
Date:   Fri Mar 20 23:52:37 2026 +0100

    add missing LIBHEIF_API

diff --git a/libheif/api/libheif/heif_encoding.h b/libheif/api/libheif/heif_encoding.h
index 4cc8c11a..f7f6e375 100644
--- a/libheif/api/libheif/heif_encoding.h
+++ b/libheif/api/libheif/heif_encoding.h
@@ -270,6 +270,7 @@ typedef enum heif_orientation
 } heif_orientation;


+LIBHEIF_API
 heif_orientation heif_orientation_concat(heif_orientation first, heif_orientation second);