[gnome-contacts] flatpak: Add intltool to manifest

[Niels De Graef <nielsdg src gnome org>]

commit 2ad84a4dec2d845ba5fa87fd159a0fa532fff5a0
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Tue Aug 20 01:30:17 2019 +0200

    flatpak: Add intltool to manifest
    
    It's needed by E-D-S (and it's no longer part of the runtime/SDK).

 data/flatpak/org.gnome.Contacts.json | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/data/flatpak/org.gnome.Contacts.json b/data/flatpak/org.gnome.Contacts.json
index 2715e45..87361f0 100644
--- a/data/flatpak/org.gnome.Contacts.json
+++ b/data/flatpak/org.gnome.Contacts.json
@@ -98,6 +98,17 @@
                 }
             ]
         },
+        {
+            "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": "evolution-data-server",
             "cleanup": [