Fixed copyrights.

com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/GetClass.java

@@ -4,7 +4,7 @@
  * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * Copyright (c) 2014, Purdue University
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates
+ * Copyright (c) 2014, 2016, Oracle and/or its affiliates
  *
  * All rights reserved.
  */

com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/builtins/TestBuiltin_class.java

@@ -4,7 +4,7 @@
  * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * Copyright (c) 2012-2014, Purdue University
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates
  *
  * All rights reserved.
  */