[rygel] Fix Icon in Catalan translation

[Piotr Drąg <piotrdrag src gnome org>]

commit d80ae6461f77bbbb71defa46d64f8566496dfe7d
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 19 00:05:56 2017 +0200

    Fix Icon in Catalan translation

 po/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index cfcb53b..3eae621 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -46,7 +46,7 @@ msgstr "Preferències UPnP/DLNA"
 #. Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 #: data/rygel-preferences.desktop.in.in:7
 msgid "rygel"
-msgstr "Rygel"
+msgstr "rygel"
 
 #: data/rygel-preferences.ui:94
 msgid "Add a directory to the list of shared directories"