Commit
458dc786089cbe37290f99577a2fa9acbeedc9f0
by Antonio CampesinoBug 540469 - [Gendoc] [Sirius] Sirius 6.0.0 throws a clast cast
exception to
org.eclipse.sirius.diagram.ui.tools.internal.part.SiriusDiagramGraphicalViewer
Change-Id: Id666205a96cec90f49a76808ab8660b6d5119aa6