Fixed compile warning
diff --git a/bundles/org.eclipse.e4.core.contexts/src/org/eclipse/e4/core/internal/contexts/ContextObjectSupplier.java b/bundles/org.eclipse.e4.core.contexts/src/org/eclipse/e4/core/internal/contexts/ContextObjectSupplier.java
index 35e2e7c..4b0ab3a 100644
--- a/bundles/org.eclipse.e4.core.contexts/src/org/eclipse/e4/core/internal/contexts/ContextObjectSupplier.java
+++ b/bundles/org.eclipse.e4.core.contexts/src/org/eclipse/e4/core/internal/contexts/ContextObjectSupplier.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2012 IBM Corporation and others.
+ * Copyright (c) 2009, 2014 IBM Corporation 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
@@ -48,7 +48,7 @@
 
 		public Reference<Object> getReference() {
 			if (requestor instanceof Requestor)
-				return ((Requestor) requestor).getReference();
+				return ((Requestor<?>) requestor).getReference();
 			return super.getReference();
 		}