[gnome-continuous] Revert "Bump up WebKitGTK to 2.19.2"

[Emmanuele Bassi <ebassi src gnome org>]

commit 0a2c4584d23403ddb54cea46c3122ee439d75e71
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Dec 5 00:06:24 2017 +0000

    Revert "Bump up WebKitGTK to 2.19.2"
    
    This reverts commit d240a7074c321f20497c809343c48acf23b6a8fd.
    
    Again.
    
    We need File::Copy::Recursive, because apparently Perl is still a thing
    in WebKit-land.

 manifest.json |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 8215b76..74aacd7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -847,9 +847,9 @@
                  "tag-reason": "v1.0.2",
                  "patches": ["woff2-cmake-build-api.patch"]},
 
-               {"src": "tarball:https://www.webkitgtk.org/releases/webkitgtk-2.19.2.tar.xz";,
+               {"src": "tarball:http://www.webkitgtk.org/releases/webkitgtk-2.18.2.tar.xz";,
                 "name": "webkitgtk",
-                "checksum": "439e88894accd4849d218b29a0755d25aa6c79224fc700206c860108d223d4c3",
+                "checksum": "b14cb3f1b5321b1dc50abcc0445a97f8e2f8813562bca7ce4d2f8069f6fec8e7",
                 "patches": ["webkitgtk-cmake-buildapi.patch"]},
 
                {"src": "gnome:libgee",