Fix test

(cherry picked from commit 13e6edaa93fa9b4e72ed26b74e5a533de76c96a3)
(cherry picked from commit 0594701a89f62d6fce90ee1d97d38de212f615cb)

examples/reductions/dot_product.c

@@ -1,7 +1,7 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
  * Copyright (C) 2012-2013,2015                           Inria
- * Copyright (C) 2010-2015,2017                           Université de Bordeaux
+ * Copyright (C) 2010-2015,2017-2018                      Université de Bordeaux
  * Copyright (C) 2011-2013,2015-2017                      CNRS
  *
  * StarPU is free software; you can redistribute it and/or modify