[gnome-photos/wip/rishi/issue-128] flatpak: Switch libgdata to Meson

[Debarshi Ray <debarshir src gnome org>]

commit b2dfee164e36e17ff7df88da883dcb7ed6faafb7
Author: Debarshi Ray <debarshir gnome org>
Date:   Sun Jun 30 17:31:03 2019 +0200

    flatpak: Switch libgdata to Meson
    
    https://gitlab.gnome.org/GNOME/gnome-photos/issues/128

 flatpak/org.gnome.Photos.json | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/flatpak/org.gnome.Photos.json b/flatpak/org.gnome.Photos.json
index 663626b6..94355a60 100644
--- a/flatpak/org.gnome.Photos.json
+++ b/flatpak/org.gnome.Photos.json
@@ -135,10 +135,13 @@
         },
         {
             "name": "libgdata",
-            "config-opts": [ "--disable-always-build-tests",
-                             "--disable-introspection",
-                             "--disable-Werror",
-                             "--disable-static" ],
+            "buildsystem": "meson",
+            "config-opts": [ "-Dalways_build_tests=false",
+                             "-Dgtk=disabled",
+                             "-Dgtk_doc=false",
+                             "-Dinstalled_tests=false",
+                             "-Dintrospection=false",
+                             "-Dvapi=false" ],
             "sources": [
                 {
                     "type": "git",