gnu: gdk-pixbuf: Update to 2.44.4.

* gnu/packages/gtk.scm (gdk-pixbuf): Update to 2.44.4.
[#:configure-flags]: Add “-Dglycin=disabled”.
* gnu/packages/patches/gdk-pixbuf-honor-GUIX_GDK_PIXBUF_MODULE_FILES.patch:
Adjust accordingly.

gnu/packages/gtk.scm

@@ -650,7 +650,7 @@ highlighting and other features typical of a source code editor.")
 (define-public gdk-pixbuf
   (package
     (name "gdk-pixbuf")
-    (version "2.42.12")
+    (version "2.44.4")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnome/sources/" name "/"
@@ -658,7 +658,7 @@ highlighting and other features typical of a source code editor.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "1iz392vrlrnb92hrak697bgndsbkrcxhqxilxn6f99xr8ls5nl5r"))
+                "05xxpl3sd37lsp5qqy01m0w9c14dqfi84x9rawsffyj2y71sm8ck"))
               (patches
                (search-patches
                 "gdk-pixbuf-honor-GUIX_GDK_PIXBUF_MODULE_FILES.patch"))))
@@ -670,6 +670,8 @@ highlighting and other features typical of a source code editor.")
                            ,@(if (%current-target-system)
                                  '()
                                  '("-Dgtk_doc=true"))
+                           ;; Prevent cycle between glycin and gdk-pixbuf.
+                           "-Dglycin=disabled"
                            ;; GTK+ 3 needs the XPM loader, see
                            ;; <https://gitlab.gnome.org/GNOME/gtk/-/issues/7143>.
                            "-Dothers=enabled")

gnu/packages/patches/gdk-pixbuf-honor-GUIX_GDK_PIXBUF_MODULE_FILES.patch

@@ -14,11 +14,10 @@ diff --git a/gdk-pixbuf/gdk-pixbuf-io.c b/gdk-pixbuf/gdk-pixbuf-io.c
 index e1df590..913ce89 100644
 --- a/gdk-pixbuf/gdk-pixbuf-io.c
 +++ b/gdk-pixbuf/gdk-pixbuf-io.c
-@@ -670,6 +670,17 @@ gdk_pixbuf_io_init (void)
- 	gboolean ret;
+@@ -707,6 +707,16 @@ gdk_pixbuf_io_init (void)
  
  	gdk_pixbuf_io_init_builtin ();
-+
+ 
 +        /* Load modules from GUIX_GDK_PIXBUF_MODULE_FILES. */
 +        gchar *module_files_env = g_getenv ("GUIX_GDK_PIXBUF_MODULE_FILES");
 +        if (module_files_env) {
@@ -29,6 +28,5 @@ index e1df590..913ce89 100644
 +            g_strfreev (module_files);
 +        }
 +
- #ifdef USE_GMODULE
- 	module_file = gdk_pixbuf_get_module_file ();
- #endif
+ 	return file_formats != NULL;
+ }