[Bug 521931] changed to compile with java 6
diff --git a/org.eclipse.xwt/src/org/eclipse/xwt/javabean/ResourceCache.java b/org.eclipse.xwt/src/org/eclipse/xwt/javabean/ResourceCache.java
index ff927cd..ca521b9 100644
--- a/org.eclipse.xwt/src/org/eclipse/xwt/javabean/ResourceCache.java
+++ b/org.eclipse.xwt/src/org/eclipse/xwt/javabean/ResourceCache.java
@@ -63,7 +63,7 @@
 	private Map<String, URL> getTypeCache(IMetaclass metaclass) {
 		Class<?> type = metaclass.getType();
 		if (!resourceCache.containsKey(type)) {
-			resourceCache.put(type, new HashMap<>());
+			resourceCache.put(type, new HashMap<String, URL>());
 		}
 		return resourceCache.get(type);
 	}