[geary] Revert appdata id change to fix flatpak build.

[Michael Gratton <mjog src gnome org>]

commit e17994f822335def8d8e857f1c5d4500980946ca
Author: Michael James Gratton <mike vee net>
Date:   Fri Sep 29 00:27:33 2017 +1000

    Revert appdata id change to fix flatpak build.

 desktop/org.gnome.Geary.appdata.xml.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/desktop/org.gnome.Geary.appdata.xml.in b/desktop/org.gnome.Geary.appdata.xml.in
index ede5b2c..644e8ef 100644
--- a/desktop/org.gnome.Geary.appdata.xml.in
+++ b/desktop/org.gnome.Geary.appdata.xml.in
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2016 Software Freedom Conservancy Inc. -->
 <!-- Copyright 2016 Michael Gratton <mike vee net> -->
-<component type="desktop-application">
-  <id>org.gnome.Geary</id>
+<component type="desktop">
+  <id>org.gnome.Geary.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>LGPL-2.1+</project_license>
   <update_contact>geary-list gnome org</update_contact>