[evolution] Flatpak: Build also intltool

[Milan Crha <mcrha src gnome org>]

commit f823400f0137d7344828c5fe8d2fbcb243dbd992
Author: Milan Crha <mcrha redhat com>
Date:   Fri Aug 23 10:59:13 2019 +0200

    Flatpak: Build also intltool
    
    It's removed from upcoming GNOME's Flatpak SDK, thus build it
    on its own.

 flatpak/org.gnome.Evolution-master.json | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/flatpak/org.gnome.Evolution-master.json b/flatpak/org.gnome.Evolution-master.json
index a8e92898ec..79149ec195 100644
--- a/flatpak/org.gnome.Evolution-master.json
+++ b/flatpak/org.gnome.Evolution-master.json
@@ -39,6 +39,18 @@
                "--talk-name=org.gnome.OnlineAccounts"
        ],
        "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": "libical",
                        "cleanup": [ "/lib/cmake" ],