[gimp-gap] Fix Spanish translation header

[Piotr Drąg <piotrdrag src gnome org>]

commit dfaa7bf1945a23b6e4177c2b837229cff4f38321
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Feb 23 23:18:56 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 189c08c..e2bcb80 100644
--- a/po/es.po
+++ b/po/es.po
@@ -13,7 +13,7 @@
 # Francisco Vila <francisco vila hispalinux es>, 2011, 2012.
 # 
 # Edilzar Cisneros Ancheyta <edy.cisneros1893@gmail,com>,com>, 2016.
-# Daniel Mustieles <daniel mustieles gmail com>, 2011, 2012, 2013, 2014, 2015., 2016, 2017, 2018.
+# Daniel Mustieles <daniel mustieles gmail com>, 2011-2018.
 #
 msgid ""
 msgstr ""