Bugfix: GUI does not offer graphs for integer-values properties.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@1582 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/userinterface/properties/GUIMultiProperties.java

@@ -371,7 +371,7 @@ public class GUIMultiProperties extends GUIPlugin implements MouseListener, List
 			error("Cannot create an experiment because there are no constants with undefined values");
 			return;
 		}
-		int result = GUIExperimentPicker.defineConstantsWithDialog(this.getGUI(), uCon, type instanceof TypeBool || type instanceof TypeDouble, gp.isValidForSimulation());
+		int result = GUIExperimentPicker.defineConstantsWithDialog(this.getGUI(), uCon, type instanceof TypeInt || type instanceof TypeDouble, gp.isValidForSimulation());
 		if(result == GUIExperimentPicker.VALUES_DONE_SHOW_GRAPH || result == GUIExperimentPicker.VALUES_DONE_SHOW_GRAPH_AND_SIMULATE)
 		{
 			showGraphDialog = true;