Changed from Enumeration to List interface in CallGraph

bundles/fr.irisa.cairn.gecos.model.transforms/src/fr/irisa/cairn/gecos/model/transforms/procedures/inliner/ModelProcedureInliner.java

@@ -432,9 +432,7 @@ public class ModelProcedureInliner {
 
 		@Override
 		public Object visitCallGraphNode(CallGraphNode node) {
-			Enumeration<CallGraphEdge> outEdges = node.outEdges();
-			while (outEdges.hasMoreElements()) {
-				CallGraphEdge edge = outEdges.nextElement();
+			for (CallGraphEdge  edge : node.outEdges()) {
 				CallGraphNode toNode = edge.to();
 				if (!visitedNodes.contains(toNode)) {
 					visitedNodes.add(toNode);