Fix compile errors after jdt.core update: implement new method.
diff --git a/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/OTType.java b/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/OTType.java
index 852136b..e8be804 100644
--- a/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/OTType.java
+++ b/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/OTType.java
@@ -518,7 +518,12 @@
         return getIType().isMember();
     }
 
-    public ITypeHierarchy loadTypeHierachy(InputStream input, IProgressMonitor monitor) throws JavaModelException
+	@Override
+	public boolean isLambda() {
+		return false;
+	}
+
+	public ITypeHierarchy loadTypeHierachy(InputStream input, IProgressMonitor monitor) throws JavaModelException
     {
         return getIType().loadTypeHierachy(input, monitor);
     }
diff --git a/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/PhantomType.java b/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/PhantomType.java
index 1b52c8b..9b3a8bc 100644
--- a/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/PhantomType.java
+++ b/org.eclipse.jdt.core/model/org/eclipse/objectteams/otdt/internal/core/PhantomType.java
@@ -463,7 +463,12 @@
     {

         return true;

     }

-

+
+    @Override
+    public boolean isLambda() {
+    	return false;
+    }

+
     /* (non-Javadoc)

      * @see org.eclipse.jdt.core.IType#loadTypeHierachy(java.io.InputStream, org.eclipse.core.runtime.IProgressMonitor)

      */