Fix warnings

VadereGui/src/org/vadere/gui/projectview/control/ActionLoadProject.java

@@ -101,7 +101,7 @@ public class ActionLoadProject extends AbstractAction {
 			int[] stats = project.getMigrationStats();
 
 			if (stats[1] > 0 || stats[2] > 0) { // scenarios: [0] total, [1] legacy'ed, [2] unmigratable
-				SwingWorker worker = new SwingWorker<Void, Void>() {
+				SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
 					@Override
 					public Void doInBackground() {
 						int total = stats[0];

VadereSimulator/src/org/vadere/simulator/projects/migration/incidents/DeleteInArrayIncident.java

@@ -24,6 +24,6 @@ public class DeleteInArrayIncident extends Incident{
 	public void resolve(@NotNull final Tree tree, @NotNull StringBuilder log) throws MigrationException {
 		super.stillApplies(tree);
 		tree.deleteNodeInArray(pathToArray, key);
-		log.append("\t- delete node [" + key + "] in array " + tree.pathToString(pathToArray)+"\n");
+		log.append("\t- delete node [" + key + "] in array " + Tree.pathToString(pathToArray) + "\n");
 	}
 }
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