[gnome-boxes] flatpak: Bundle intltool

[Felipe Borges <felipeborges src gnome org>]

commit c7a8da28e8e2fdd7ea5d86aaf9233df91ca5b086
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Apr 7 11:37:05 2021 +0200

    flatpak: Bundle intltool
    
    osinfo-db and others need it for merging translations.

 build-aux/flatpak/org.gnome.Boxes.json | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/build-aux/flatpak/org.gnome.Boxes.json b/build-aux/flatpak/org.gnome.Boxes.json
index b6252ef9..c800a6c7 100644
--- a/build-aux/flatpak/org.gnome.Boxes.json
+++ b/build-aux/flatpak/org.gnome.Boxes.json
@@ -26,6 +26,17 @@
         "--add-policy=Tracker3.dbus:org.freedesktop.Tracker3.Miner.Files=tracker:Software"
     ],
     "modules": [
+        {
+            "name" : "intltool",
+            "cleanup" : [ "*" ],
+            "sources" : [
+                {
+                    "type" : "archive",
+                    "url" : "https://launchpad.net/intltool/trunk/0.51.0/+download/intltool-0.51.0.tar.gz";,
+                    "sha256" : "67c74d94196b153b774ab9f89b2fa6c6ba79352407037c8c14d5aeb334e959cd"
+                }
+            ]
+        },
         {
             "name": "libvirt-glib",
             "buildsystem": "meson",