[gnome-continuous] manifest: WebKitGTK+ 2.17.91

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 56dfaf07fcfc57cd891358bdfd6d80c3737f8c21
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Fri Aug 18 13:10:22 2017 +0200

    manifest: WebKitGTK+ 2.17.91

 manifest.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 7517546..b455608 100644
--- a/manifest.json
+++ b/manifest.json
@@ -852,9 +852,9 @@
                 "name": "enchant",
                 "checksum": "2fac9e7be7e9424b2c5570d8affe568db39f7572c10ed48d4e13cddf03f7097f"},
 
-               {"src": "tarball:http://www.webkitgtk.org/releases/webkitgtk-2.17.90.tar.xz";,
+               {"src": "tarball:http://www.webkitgtk.org/releases/webkitgtk-2.17.91.tar.xz";,
                 "name": "webkitgtk",
-                "checksum": "878608b7655866c4de2e42d8dcdb0f6c67155dc6a630628e5351dbd0f68b4961",
+                "checksum": "67f8e4e3f2cc6086f47490a336a57e2e195df993ef68f3cb1e7b53b1f0432538",
                 "patches": ["webkitgtk-cmake-buildapi.patch"]},
 
                {"src": "gnome:libgee",