[file-roller] Fix typo on date format

[Khaled Hosny <khaledh src gnome org>]

commit 1a3c41257c6461bf4faa6a7a1a5181170d41bf1c
Author: Khaled Hosny <khaledhosny eglug org>
Date:   Thu Sep 20 16:29:58 2018 +0200

    Fix typo on date format

 po/ar.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/ar.po b/po/ar.po
index 9ee44e29..a2d5fe38 100644
--- a/po/ar.po
+++ b/po/ar.po
@@ -1075,7 +1075,7 @@ msgstr "أ_لصق"
 #. * explanation of the values.
 #: src/glib-utils.c:790
 msgid "%d %B %Y, %H:%M"
-msgstr "%Od %B %OY، %OI:%OM %p"
+msgstr "%Od %B %Y، %OI:%OM %p"
 
 #: src/gtk-utils.c:235
 msgid "C_ommand Line Output:"