[clutter] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 1b40118572abd0e03dca7ce5e1c49850f43b140c
Author: Jordi Mas <jmas softcatala org>
Date:   Fri Dec 27 13:29:26 2019 +0100

    Update Catalan translation

 po/ca.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/ca.po b/po/ca.po
index 27ecfb29a..faf329d5c 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -609,7 +609,7 @@ msgstr "Establiment del color de fons"
 
 #: clutter/clutter-actor.c:7709 clutter/deprecated/clutter-box.c:280
 msgid "Whether the background color is set"
-msgstr "Si hi ha cap color de fons"
+msgstr "Si hi ha cap color de fons establert"
 
 #: clutter/clutter-actor.c:7725
 msgid "Background color"