fix compiler warnings

Author: siegfriedpammer

src/AddIns/Misc/PackageManagement/SharpDevelop.EnvDTE/Src/CodeElements.vb

@@ -24,6 +24,6 @@ Namespace EnvDTE
 
 		Function Item(index As Object) As CodeElement
 
-		Function GetEnumerator() As IEnumerator
+		Shadows Function GetEnumerator() As IEnumerator
 	End Interface
 End Namespace