[gnome-continuous] manifest: WebKitGTK+ 2.21.1

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 3b19cfb56e26f1333223b5a00fe35be6e8d1d21b
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Wed Apr 18 10:48:42 2018 +0200

    manifest: WebKitGTK+ 2.21.1

 manifest.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 6ffa2a6..6f9a0bf 100644
--- a/manifest.json
+++ b/manifest.json
@@ -811,9 +811,9 @@
                  "tag-reason": "v1.0.2",
                  "patches": ["woff2-cmake-build-api.patch"]},
 
-               {"src": "tarball:https://www.webkitgtk.org/releases/webkitgtk-2.20.1.tar.xz";,
+               {"src": "tarball:https://www.webkitgtk.org/releases/webkitgtk-2.21.1.tar.xz";,
                 "name": "webkitgtk",
-                "checksum": "43e43285fa4e393080cc4fbd5ad8644749a75b1e0b811b230b63ae56806c8959",
+                "checksum": "988e29a78a094968bbec1ccffc8bea00af4048893c0db966046ad431b402ad50",
                 "patches": ["webkitgtk-cmake-buildapi.patch"]},
 
                {"src": "gnome:libgee",