[shotwell] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 30a6b2d0ce4c2fb621e119ffea9e6236654e2958
Author: Jordi Mas <jmas softcatala org>
Date:   Tue Mar 26 07:04:58 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 52c593b8..174b6f4c 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -1439,7 +1439,7 @@ msgstr "Afegeix e_tiquetes…"
 #: data/ui/faces.ui:395 data/ui/media.ui:400 data/ui/photo_context.ui:22
 #: data/ui/photo.ui:385 data/ui/tags.ui:400 src/Resources.vala:357
 msgid "Modif_y Tags…"
-msgstr "Modifica les etiquetes…"
+msgstr "_Modifica les etiquetes…"
 
 #: data/ui/collection.ui:33 data/ui/event.ui:286 data/ui/event.ui:477
 #: data/ui/faces.ui:281 data/ui/media.ui:286 data/ui/photo_context.ui:30