[gnome-build-meta/abderrahim/webp] core-deps: add webp-pixbuf-loader, to be used by backgrounds

[Abderrahim Kitouni <akitouni src gnome org>]

commit 4bf5ae30f4a3d39e6aa87d6f116e8da2bbfaae63
Author: Abderrahim Kitouni <abderrahim kitouni codethink co uk>
Date:   Fri Jul 22 22:20:01 2022 +0200

    core-deps: add webp-pixbuf-loader, to be used by backgrounds
    
    Fixes #502

 elements/core-deps/webp-pixbuf-loader.bst | 13 +++++++++++++
 elements/core/gnome-backgrounds.bst       |  3 +++
 2 files changed, 16 insertions(+)
---
diff --git a/elements/core-deps/webp-pixbuf-loader.bst b/elements/core-deps/webp-pixbuf-loader.bst
new file mode 100644
index 000000000..069321488
--- /dev/null
+++ b/elements/core-deps/webp-pixbuf-loader.bst
@@ -0,0 +1,13 @@
+kind: meson
+
+sources:
+- kind: tar
+  url: github_files:aruiz/webp-pixbuf-loader/archive/refs/tags/0.0.6.tar.gz
+
+build-depends:
+- freedesktop-sdk.bst:public-stacks/buildsystem-meson.bst
+
+depends:
+- sdk/gdk-pixbuf.bst
+- freedesktop-sdk.bst:components/libwebp.bst
+- freedesktop-sdk.bst:bootstrap-import.bst
diff --git a/elements/core/gnome-backgrounds.bst b/elements/core/gnome-backgrounds.bst
index ea05a2c9a..39e90f772 100644
--- a/elements/core/gnome-backgrounds.bst
+++ b/elements/core/gnome-backgrounds.bst
@@ -8,6 +8,9 @@ sources:
 build-depends:
 - freedesktop-sdk.bst:public-stacks/buildsystem-meson.bst
 
+runtime-depends:
+- core-deps/webp-pixbuf-loader.bst
+
 depends:
 - sdk/glib.bst
 - freedesktop-sdk.bst:bootstrap-import.bst