[gnome-continuous] manifest: WebKitGTK+ 2.17.4

[Carlos Garcia Campos <carlosgc src gnome org>]

commit a2749850df3b8c5ed0f4378023eaa1f926a029ed
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Mon Jun 19 09:26:11 2017 +0200

    manifest: WebKitGTK+ 2.17.4

 manifest.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 319af1a..483cb27 100644
--- a/manifest.json
+++ b/manifest.json
@@ -833,9 +833,9 @@
                 "name": "enchant",
                 "checksum": "2fac9e7be7e9424b2c5570d8affe568db39f7572c10ed48d4e13cddf03f7097f"},
 
-               {"src": "tarball:http://www.webkitgtk.org/releases/webkitgtk-2.17.3.tar.xz";,
+               {"src": "tarball:http://www.webkitgtk.org/releases/webkitgtk-2.17.4.tar.xz";,
                 "name": "webkitgtk",
-                "checksum": "79f168c30953dbd273f984d3cc85482169e6822fcf7cf0031c86cf8aa1816b35",
+                "checksum": "a497eb3c1a8cbc78ccdeb6d7d22557a33ae879e80521d968eaa095a62c9f8526",
                 "patches": ["webkitgtk-cmake-buildapi.patch"]},
 
                {"src": "gnome:libgee",