Perform clean code of ui/org.eclipse.pde.genericeditor.extension

Author: eclipse-pde-bot

ui/org.eclipse.pde.genericeditor.extension/src/org/eclipse/pde/internal/genericeditor/target/extension/model/LocationNode.java

@@ -22,7 +22,7 @@
  */
 public class LocationNode extends Node {
 
-	private List<String> repositoryLocations = new ArrayList<>();
+	private final List<String> repositoryLocations = new ArrayList<>();
 
 	public List<String> getRepositoryLocations() {
 		return repositoryLocations;