[gnome-continuous] Use the gtk-3-22 branch for gtk3

[Matthias Clasen <matthiasc src gnome org>]

commit e2df15a299abae5b59a604e77a47776bc606cfe1
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 7 06:57:37 2016 -0400

    Use the gtk-3-22 branch for gtk3

 manifest.json |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index a5edcf0..88950ed 100644
--- a/manifest.json
+++ b/manifest.json
@@ -616,8 +616,11 @@
                 "branch": "gtk-engines-2-22"},
 
                {"src": "gnome:gtk+",
-                "config-opts": ["--enable-installed-tests", "--enable-wayland-backend", 
"--enable-x11-backend"],
-                "name": "gtk3"},
+                "name": "gtk3",
+                "branch": "gtk-3-22",
+                "config-opts": ["--enable-installed-tests",
+                                 "--enable-wayland-backend",
+                                 "--enable-x11-backend"]},
 
                {"src": "fd:plymouth",
                 "initramfs-depends": true,