[gnome-sdk-images/gnome-3-22] Update gtk+ to 3.22.6

[Alexander Larsson <alexl src gnome org>]

commit 3db78a121eeea448759e96e61568874c282d0df2
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Jan 12 11:39:28 2017 +0100

    Update gtk+ to 3.22.6

 org.gnome.Sdk.json.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index 529bda5..4c55d93 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -344,8 +344,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://download.gnome.org/sources/gtk+/3.22/gtk+-3.22.4.tar.xz";,
-                    "sha256": "7094a6fcfe133d01c578358bd5d3e499715f1a0206e87bd5cf6c834e301f387f"
+                    "url": "https://download.gnome.org/sources/gtk+/3.22/gtk+-3.22.6.tar.xz";,
+                    "sha256": "eba75a216a117f4391beb2971ba20ff8a1823f109893f0ab6c2eac2210ea172f"
                 }
             ]
         },