[gnome-build-meta/mcatanzaro/webkit-3-30] Update to WebKitGTK+ 2.22.4

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1cf2f4e2c5d1b8356a9f92e71f1f5078ae1895d4
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 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/elements/sdk/WebKitGTK+.bst b/elements/sdk/WebKitGTK+.bst
index ef3606a..f45d6ed 100644
--- a/elements/sdk/WebKitGTK+.bst
+++ b/elements/sdk/WebKitGTK+.bst
@@ -1,8 +1,8 @@
 kind: cmake
 sources:
 - kind: tar
-  url: webkitgtk_org:webkitgtk-2.22.3.tar.xz
-  ref: 9dfd542902953be9af8ff32bd37fe662ca3d75f7348514ebac15c6252a6ccd72
+  url: webkitgtk_org:webkitgtk-2.22.4.tar.xz
+  ref: fab5be2883802352ae0e735dd1eff4bc18abaff7ac78689cec72eb2f611943b8
 - kind: patch
   path: files/webkitgtk/gtk-doc-introspection-cross-compiling.patch
 - kind: local