[gnome-calendar/gnome-3-26] Use the correct name for the appdata file

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 3ec78280d450b7c5e19038645491ac94b532f7de
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Thu Oct 5 01:42:11 2017 +0200

    Use the correct name for the appdata file
    
    As it is, Flatpak doesn't find the file and the appstream stuff doesn't
    get built.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788540

 data/appdata/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/appdata/meson.build b/data/appdata/meson.build
index bdcc3c3..68f3601 100644
--- a/data/appdata/meson.build
+++ b/data/appdata/meson.build
@@ -1,4 +1,4 @@
-info = 'org.gnome.Calendar.metainfo.xml'
+info = 'org.gnome.Calendar.appdata.xml'
 
 i18n.merge_file(
   info,