[gnome-sdk-images] Update webkitgtk

[Alexander Larsson <alexl src gnome org>]

commit c61fb55bbfc102380052d250ee46b85911266341
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Feb 11 10:02:14 2016 +0100

    Update webkitgtk

 org.gnome.Sdk.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/org.gnome.Sdk.json b/org.gnome.Sdk.json
index ef11188..9d23397 100644
--- a/org.gnome.Sdk.json
+++ b/org.gnome.Sdk.json
@@ -562,8 +562,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "http://www.webkitgtk.org/releases/webkitgtk-2.11.4.tar.xz";,
-                    "sha256": "47631d5d66967ebda2683c065706d5d91d4d886fc11f382eecd39451c71dfe3c"
+                    "url": "http://www.webkitgtk.org/releases/webkitgtk-2.11.5.tar.xz";,
+                    "sha256": "f6bb102ec2db2f1c134280551cd19fac9ea067324268709df97c2221b08baa02"
                 },
                 {
                     "type": "patch",