[397429] Fix bad UnlimitedNatural ShadowExp

plugins/org.eclipse.ocl.xtext.essentialocl/model/EssentialOCLCS2AS.ocl

diff --git a/plugins/org.eclipse.ocl.xtext.essentialocl/model/EssentialOCLCS2AS.ocl b/plugins/org.eclipse.ocl.xtext.essentialocl/model/EssentialOCLCS2AS.ocl
index 688e3e3..c597a1f 100644
--- a/plugins/org.eclipse.ocl.xtext.essentialocl/model/EssentialOCLCS2AS.ocl
+++ b/plugins/org.eclipse.ocl.xtext.essentialocl/model/EssentialOCLCS2AS.ocl
@@ -303,7 +303,7 @@
 def : ast() : ocl::UnlimitedNaturalLiteralExp =
 	ocl::UnlimitedNaturalLiteralExp{
 		name = '*',
-		unlimitedNaturalSymbol = ocl::_UnlimitedNatural{'*'}
+		unlimitedNaturalSymbol = *
 	}
 
 context VariableCS