[gedit/bochecha/flatpak] flatpak: Fix the build

[Mathieu Bridon <mbridon src gnome org>]

commit 022802a128353a83041f9051166c9ee66ab22c28
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Fri Jan 18 16:31:57 2019 +0100

    flatpak: Fix the build
    
    Gedit now builds with Meson. Autotools support was dropped recently so
    the manifest needs to be updated.

 org.gnome.gedit.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.gedit.json b/org.gnome.gedit.json
index 019d78bf8..66a798165 100644
--- a/org.gnome.gedit.json
+++ b/org.gnome.gedit.json
@@ -87,6 +87,7 @@
         },
         {
             "name" : "gedit",
+            "buildsystem": "meson",
             "sources" : [
                 {
                     "type" : "git",