[meld] Add a provides tag to the appdata for our old desktop ID

[Kai Willadsen <kaiw src gnome org>]

commit fd5c547736f0e50b5aec1c9dc02be5f9b7df58fe
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Tue Dec 31 06:35:45 2019 +1000

    Add a provides tag to the appdata for our old desktop ID
    
    This lets external users (e.g., software centres) track the ID rename.

 data/org.gnome.meld.appdata.xml.in.in | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/data/org.gnome.meld.appdata.xml.in.in b/data/org.gnome.meld.appdata.xml.in.in
index f0bb31d1..fc270bec 100644
--- a/data/org.gnome.meld.appdata.xml.in.in
+++ b/data/org.gnome.meld.appdata.xml.in.in
@@ -2,6 +2,9 @@
 <!-- Copyright 2013-2014 Kai Willadsen <kai willadsen gmail com> -->
 <component type="desktop">
   <id>@appid@.desktop</id>
+  <provides>
+    <id>org.gnome.meld.desktop</id>
+  </provides>
   <translation type="gettext">meld</translation>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-2.0+ and CC-BY-SA-3.0</project_license>