[empathy] Update gitignore

[Michael Catanzaro <mcatanzaro src gnome org>]

commit bccfbb7fb45b02615da7955a5fe78b0a23f508df
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Apr 21 19:01:13 2015 -0500

    Update gitignore
    
    We should probably use git.mk instead....

 data/.gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/.gitignore b/data/.gitignore
index 68ce9a3..b9d30d7 100644
--- a/data/.gitignore
+++ b/data/.gitignore
@@ -1,3 +1,4 @@
+empathy.appdata.xml
 empathy.desktop
 empathy.desktop.in
 org.gnome.Empathy.gschema.valid