update copyright date for files modified in commit 45a52180c

src/core/sched_ctx.c

@@ -1,6 +1,6 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
- * Copyright (C) 2011-2017                                Inria
+ * Copyright (C) 2011-2018                                Inria
  * Copyright (C) 2012-2018                                CNRS
  * Copyright (C) 2012-2017                                Université de Bordeaux
  * Copyright (C) 2016                                     Uppsala University

src/core/sched_ctx.h

@@ -1,6 +1,6 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
- * Copyright (C) 2011-2017                                Inria
+ * Copyright (C) 2011-2018                                Inria
  * Copyright (C) 2012-2014,2017                           CNRS
  * Copyright (C) 2011-2013,2015-2017                      Université de Bordeaux
  * Copyright (C) 2016                                     Uppsala University

src/core/task.c

@@ -1,6 +1,6 @@
 /* StarPU --- Runtime system for heterogeneous multicore architectures.
  *
- * Copyright (C) 2011-2017                                Inria
+ * Copyright (C) 2011-2018                                Inria
  * Copyright (C) 2017                                     Erwan Leria
  * Copyright (C) 2009-2018                                Université de Bordeaux
  * Copyright (C) 2010-2017                                CNRS