Bug 521839 - Move discovery bundle to Java 8

Add missing Override annotation.

Change-Id: I10de2831a21f3434ecfb2b38c36213f5094e5c94
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogCategoryComparator.java b/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogCategoryComparator.java
index bf2f1bb..381b441 100644
--- a/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogCategoryComparator.java
+++ b/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogCategoryComparator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2016 Tasktop Technologies and others.
+ * Copyright (c) 2009, 2017 Tasktop Technologies and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -21,6 +21,7 @@
  */
 public class CatalogCategoryComparator implements Comparator<CatalogCategory> {
 
+	@Override
 	public int compare(CatalogCategory o1, CatalogCategory o2) {
 		if (o1 == o2) {
 			return 0;
diff --git a/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogItemComparator.java b/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogItemComparator.java
index e61cc65..656e4ca 100644
--- a/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogItemComparator.java
+++ b/bundles/org.eclipse.equinox.p2.discovery/src/org/eclipse/equinox/internal/p2/discovery/util/CatalogItemComparator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2010 Tasktop Technologies and others.
+ * Copyright (c) 2009, 2017 Tasktop Technologies and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -41,6 +41,7 @@
 		return -1;
 	}
 
+	@Override
 	public int compare(CatalogItem o1, CatalogItem o2) {
 		if (o1.getCategory() != o2.getCategory()) {
 			throw new IllegalArgumentException();