limited SET values in interpreter to platform set values (explicit conversion to SET)

git-svn-id: https://svn.inf.ethz.ch/svn/lecturers/a2/trunk@7850 8c9fc860-2736-0410-a75d-ab315db34111

source/FoxInterpreter.Mod

@@ -743,7 +743,7 @@ TYPE
 
 		PROCEDURE VisitSetValue*(x: SyntaxTree.SetValue);
 		BEGIN
-			NewSet(x.value)
+			NewSet(SET(x.value))
 		END VisitSetValue;
 
 		PROCEDURE VisitMathArrayValue*(x: SyntaxTree.MathArrayValue);