[492985] Don't throw an exception to cancel as nothing happened yet

Bug: 492985
Change-Id: I0231f2372021b3c960c2d43f4b5f5065ff45829f

org.eclipse.emf.ecoretools.design.ui/src/org/eclipse/emf/ecoretools/design/ui/action/OpenSelectModelElementAction.java

diff --git a/org.eclipse.emf.ecoretools.design.ui/src/org/eclipse/emf/ecoretools/design/ui/action/OpenSelectModelElementAction.java b/org.eclipse.emf.ecoretools.design.ui/src/org/eclipse/emf/ecoretools/design/ui/action/OpenSelectModelElementAction.java
index cfe2443..fea8778 100644
--- a/org.eclipse.emf.ecoretools.design.ui/src/org/eclipse/emf/ecoretools/design/ui/action/OpenSelectModelElementAction.java
+++ b/org.eclipse.emf.ecoretools.design.ui/src/org/eclipse/emf/ecoretools/design/ui/action/OpenSelectModelElementAction.java
@@ -67,9 +67,7 @@
 							((EObject) hostObj).eSet((EStructuralFeature) featureObj, wizard.getSelectedEObject());
 						}
 
-					} else {
-						throw new OperationCanceledException("user canceled");
-					}
+					} 
 
 				}
 			});