[gnome-calendar] trivial: style fix

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 192e860edc022da47c9f7ada455232b126c8c91b
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Nov 18 21:56:36 2017 -0200

    trivial: style fix

 src/views/gcal-month-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/views/gcal-month-view.c b/src/views/gcal-month-view.c
index d25e730..aad9b67 100644
--- a/src/views/gcal-month-view.c
+++ b/src/views/gcal-month-view.c
@@ -1,6 +1,6 @@
 /* gcal-month-view.c
  *
- * Copyright © 2015 - Erick Pérez Castellanos
+ * Copyright © 2015 Erick Pérez Castellanos
  *             2017 Georges Basile Stavracas Neto <georges stavracas gmail com>
  *
  * This program is free software: you can redistribute it and/or modify