[evince] flatpak: Add support for XPS files

[Germán Poo-Caamaño <gpoo src gnome org>]

commit f6995bd08b24a7db50af3ed12d6db91b3e708b41
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Wed Oct 10 16:30:56 2018 -0300

    flatpak: Add support for XPS files

 build-aux/flatpak/org.gnome.Evince.json | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Evince.json b/build-aux/flatpak/org.gnome.Evince.json
index 642cafd5..e9f6a73d 100644
--- a/build-aux/flatpak/org.gnome.Evince.json
+++ b/build-aux/flatpak/org.gnome.Evince.json
@@ -137,6 +137,17 @@
                 }
             ]
         },
+        {
+            "name" : "libgxps",
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "archive",
+                    "url" : "http://ftp.gnome.org/pub/gnome/sources/libgxps/0.3/libgxps-0.3.0.tar.xz";,
+                    "sha256" : "412b1343bd31fee41f7204c47514d34c563ae34dafa4cc710897366bd6cd0fae"
+                }
+            ]
+        },
         {
             "name" : "gspell",
             "cleanup" : [
@@ -179,4 +190,4 @@
             ]
         }
     ]
-}
+}
\ No newline at end of file