[seahorse] Fix Spanish translation header

[Piotr Drąg <piotrdrag src gnome org>]

commit d491839df614c1fa07642acb71d6bbd615a6e91d
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Feb 24 00:44:56 2018 +0100

    Fix Spanish translation header

 po/es.po |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/es.po b/po/es.po
index 6835586..e974098 100644
--- a/po/es.po
+++ b/po/es.po
@@ -6,9 +6,9 @@
 # Copyright (C) 2002, 2003.
 # This file is distributed under the same license as the Seahorse package.
 # 
-# Jorge González <jorgegonz svn gnome org>, 2007, 2008, 2009, 2010, 2011., 2011.
+# Jorge González <jorgegonz svn gnome org>, 2007, 2008, 2009, 2010, 2011.
 # 
-# Daniel Mustieles <daniel mustieles gmail com>, 2011., 2012, 2013, 2014, 2015., 2016, 2017, 2018.
+# Daniel Mustieles <daniel mustieles gmail com>, 2011-2018.
 #
 msgid ""
 msgstr ""