fixes ticket #10

when constants changed, they were not re-validated


git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@4796 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/userinterface/properties/GUIMultiProperties.java

@@ -541,6 +541,9 @@ public class GUIMultiProperties extends GUIPlugin implements MouseListener, List
 	public void constantListChanged()
 	{
 		labTable.validateLabels();
+		//maybe some constants became valid/invalid, so validate them
+		//before re-validating properties.
+		consTable.validateConstants();
 		propList.validateProperties();
 		setModified(true);
 	}