[libhandy] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit fbc63bfbada992d6a625d546787e504f331f5dd3
Author: Jordi Mas <jmas softcatala org>
Date:   Tue Jan 19 22:20:29 2021 +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 d4f0ca81..9bf1f71b 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -428,7 +428,7 @@ msgstr "Política de centrat"
 
 #: src/hdy-header-bar.c:2197
 msgid "The policy to horizontally align the center widget"
-msgstr "La política per alinear horitzontalment el giny central"
+msgstr "La política per a alinear horitzontalment el giny central"
 
 #: src/hdy-header-bar.c:2204 src/hdy-squeezer.c:1106
 msgid "The animation duration, in milliseconds"