[gnome-builder/gnome-builder-3-26] flatpak: bump json-glib to 1.4.2

[Christian Hergert <chergert src gnome org>]

commit 4f946e7f288f2a1d013ff13ae7e8292add080772
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 19 15:36:56 2017 -0700

    flatpak: bump json-glib to 1.4.2

 org.gnome.Builder.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/org.gnome.Builder.json b/org.gnome.Builder.json
index 079ca55..52ec3cd 100644
--- a/org.gnome.Builder.json
+++ b/org.gnome.Builder.json
@@ -548,7 +548,7 @@
                 {
                     "type": "git",
                     "url": "https://gitlab.gnome.org/GNOME/json-glib.git";,
-                    "branch": "9db74a03b96bafbbd7698682d713a57122627e39"
+                    "branch": "68e90dafac7022fc467bac8d2dd04d3f8a5a88a7"
                 }
             ]
         },