[four-in-a-row] Fix Spanish translation header

[Piotr Drąg <piotrdrag src gnome org>]

commit f07529b7401dd7c7c1bcd715ea4457929318a3d9
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Feb 23 23:06:39 2018 +0100

    Fix Spanish translation header

 po/es.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/es.po b/po/es.po
index ff5f1a6..0854cce 100644
--- a/po/es.po
+++ b/po/es.po
@@ -6,7 +6,7 @@
 # Jorge González <jorgegonz svn gnome org>, 2007, 2008, 2009, 2010, 2011.
 # Chris Leonard <cjl laptop org>, 2012.
 # 
-# Daniel Mustieles <daniel mustieles gmail com>, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015., 2016, 2018.
+# Daniel Mustieles <daniel mustieles gmail com>, 2008-2016, 2018.
 #
 msgid ""
 msgstr ""