[sysprof] appdata: update appdata contact

[Christian Hergert <chergert src gnome org>]

commit 5b45b1b0542cd3242fdbf68656b39b4da34b4504
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 8 17:47:08 2018 -0700

    appdata: update appdata contact

 data/org.gnome.Sysprof2.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.Sysprof2.appdata.xml.in b/data/org.gnome.Sysprof2.appdata.xml.in
index c23fb4f..52fdc6b 100644
--- a/data/org.gnome.Sysprof2.appdata.xml.in
+++ b/data/org.gnome.Sysprof2.appdata.xml.in
@@ -40,5 +40,5 @@
   </releases>
 
   <metadata_license>CC0-1.0</metadata_license>
-  <update_contact>tingping_AT_tingping.se</update_contact>
+  <update_contact>christian_AT_hergert.me</update_contact>
 </component>