Commit 5ba3dc82 for libheif

commit 5ba3dc82e927aeb46cdec0662dcd23d664a09e5f
Author: Dirk Farin <dirk.farin@gmail.com>
Date:   Sun Aug 23 23:27:35 2026 +0200

    fix expected error code in test

diff --git a/tests/duplicate_alpha_channel.cc b/tests/duplicate_alpha_channel.cc
index eddc98f2..71212984 100644
--- a/tests/duplicate_alpha_channel.cc
+++ b/tests/duplicate_alpha_channel.cc
@@ -81,7 +81,7 @@ TEST_CASE("overlay rejects an Alpha plane whose size does not match the other ch
   REQUIRE(overlay_img->add_channel(heif_channel_Alpha, 2, 2, 8, limits).error_code == heif_error_Ok);

   Error err = base->overlay(overlay_img, 0, 0);
-  REQUIRE(err.error_code == heif_error_Invalid_input);
+  REQUIRE(err.error_code == heif_error_Unsupported_feature);
 }

 TEST_CASE("overlay blends normally when the Alpha plane size matches")