[pitivi/1.0] data: Fix appdata launchable tag

[Thibault Saunier <tsaunier src gnome org>]

commit 27d81665e3d431561da31d2a642c69e382490768
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sun Aug 19 21:28:47 2018 +0200

    data: Fix appdata launchable tag
    
    According to
    https://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-launchable
    it's "desktop-id", not "desktop".

 data/org.pitivi.Pitivi.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.pitivi.Pitivi.appdata.xml.in b/data/org.pitivi.Pitivi.appdata.xml.in
index d1448ab2..4dc6fe8c 100644
--- a/data/org.pitivi.Pitivi.appdata.xml.in
+++ b/data/org.pitivi.Pitivi.appdata.xml.in
@@ -2,7 +2,7 @@
 <!-- Copyright 2013 Jean-François Fortin Tam <nekohayo gmail com> -->
 <component type="desktop">
   <id>org.pitivi.Pitivi</id>
-  <launchable type="desktop">org.pitivi.Pitivi.desktop</launchable>
+  <launchable type="desktop-id">org.pitivi.Pitivi.desktop</launchable>
   <metadata_license>CC-BY-3.0</metadata_license>
   <project_license>LGPL-2.0+</project_license>
   <_name>Pitivi</_name>