[gnome-build-meta/mcatanzaro/webkit] Update to WebKitGTK+ 2.22.4

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 226e0fa03337bb2b6ca5307e5627dae0673cb0d7
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Nov 21 13:26:48 2018 -0600

    Update to WebKitGTK+ 2.22.4

 elements/sdk/WebKitGTK+.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/sdk/WebKitGTK+.bst b/elements/sdk/WebKitGTK+.bst
index 269931c..ecdde02 100644
--- a/elements/sdk/WebKitGTK+.bst
+++ b/elements/sdk/WebKitGTK+.bst
@@ -1,7 +1,7 @@
 kind: cmake
 sources:
 - kind: tar
-  url: webkitgtk_org:webkitgtk-2.22.3.tar.xz
+  url: webkitgtk_org:webkitgtk-2.22.4.tar.xz
 - kind: patch
   path: files/webkitgtk/gtk-doc-introspection-cross-compiling.patch
 - kind: local