[gnome-continuous] Add gtk+ master to the manifest

[Emmanuele Bassi <ebassi src gnome org>]

commit 5dd5d3de6fc153c32200d8a90daa4b6e3490ad6c
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Oct 19 18:08:48 2016 +0100

    Add gtk+ master to the manifest
    
    We should build it alongside the 2.24 and 3.22 branches.

 manifest.json |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 2b56746..0568bfb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -621,6 +621,13 @@
                                  "--enable-wayland-backend",
                                  "--enable-x11-backend"]},
 
+
+                {"src": "gnome:gtk+",
+                 "name": "gtk4",
+                 "config-opts": ["--enable-installed-tests",
+                                 "--enable-wayland-backend",
+                                 "--enable-x11-backend"]},
+
                {"src": "fd:plymouth",
                 "initramfs-depends": true,
                 "config-opts": ["--enable-pango",