[shotwell] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 03bcc8b01e07dd36eb1b195de7d54e4b88ff4446
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Feb 25 22:55:25 2018 +0100

    Update Catalan translation

 po/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index ea72c8d..2844180 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -5786,7 +5786,7 @@ msgstr "%a, %b de %d"
 #: src/Resources.vala:759
 msgctxt "MultimonthFormat"
 msgid "%a %b %d, %Y"
-msgstr "%a, %d de %b de %Y"
+msgstr "%a, %d %b de %Y"
 
 #: src/Screensaver.vala:18 src/SlideshowPage.vala:115
 msgid "Slideshow"