[gnome-calculator] Add a missing tag to the AppData file

[Richard Hughes <rhughes src gnome org>]

commit 7a5c9206ee46a21c7d72a0169252d461749220e4
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jan 25 15:37:20 2016 +0000

    Add a missing tag to the AppData file

 data/gnome-calculator.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-calculator.appdata.xml.in b/data/gnome-calculator.appdata.xml.in
index 90cba06..91fa706 100644
--- a/data/gnome-calculator.appdata.xml.in
+++ b/data/gnome-calculator.appdata.xml.in
@@ -61,4 +61,5 @@
   <url type="bugtracker">https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-calculator</url>
   <url type="donation">http://www.gnome.org/friends/</url>
   <url type="help">https://help.gnome.org/users/gnome-calculator/stable/</url>
+  <translation type="gettext">gnome-calculator</translation>
 </component>