Correct license header

Follow-up-to: 68dcb1bb41edb61867790fc7fee1c6a60e7a4b89
diff --git a/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/r/ui/util/RElementInput.java b/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/r/ui/util/RElementInput.java
index c29b48f..e0ab92d 100644
--- a/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/r/ui/util/RElementInput.java
+++ b/r/org.eclipse.statet.r.ui/src/org/eclipse/statet/r/ui/util/RElementInput.java
@@ -1,9 +1,12 @@
 /*=============================================================================#
  # Copyright (c) 2017, 2018 Stephan Wahlbrink and others.
- # All rights reserved. This program and the accompanying materials
- # are made available under the terms of the Eclipse Public License v1.0
- # which accompanies this distribution, and is available at
- # http://www.eclipse.org/legal/epl-v10.html
+ # 
+ # This program and the accompanying materials are made available under the
+ # terms of the Eclipse Public License 2.0 which is available at
+ # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+ # which is available at https://www.apache.org/licenses/LICENSE-2.0.
+ # 
+ # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
  # 
  # Contributors:
  #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation