Gauche GTK2 hint

Shiro,

I built 'gauche-gtk2' from the tarball "Gauche-gtk2-0.6.1.tgz"

I can use 'gdk-pixbuf-loader-new-with-type' which works fine
then 'gdk-pixbuf-loader-write' and 'gdk-pixbuf-loader-close'
but 'gdk-pixbuf-loader-get-pixbuf' is missing so you can't 
access the 'pixbuf' you just made :-(

Here is my patch to add hint for 'gdk-pixbuf-loader-get-pixbuf'.

==========================================================================
--- ./src/gdk-lib.hints.orig	2025-12-08 13:36:52.268016378 -0800
+++ ./src/gdk-lib.hints	2025-12-08 13:51:52.243272391 -0800
@@ -1057,6 +1057,13 @@
 ;; gdk-pixbuf-loader.h
 ;;
 
+(define-cproc-fix gdk-pixbuf-loader-get-pixbuf
+  (fix-arguments! '(loader::<gdk-pixbuf-loader>))
+  (fix-body!
+  "{ GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
+  if (pixbuf) SCM_RETURN(SCM_MAKE_GDK_PIXBUF(pixbuf));
+  else SCM_RETURN(SCM_FALSE);}"))
+
 (define-cproc-fix gdk-pixbuf-loader-new-with-type
   (fix-arguments! '(image-type::<const-char*>))
   (fix-body! "GError *perr = NULL;
==========================================================================

I really like Gauche and thank you for producing and maintaining it
and 'gauche-gtk2' as well. It still works on Fedora Asahi Remix 42
which I am running on a Mac Mini M2 Pro.

Stephen Lewis
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