Add missing '@Override' annotations.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1429891 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/collections/ListUtils.java

@@ -548,6 +548,7 @@ public class ListUtils {
             this.size = size;
         }
 
+        @Override
         public List<T> get(int index) {
             int listSize = size();
             if (listSize < 0) {
@@ -565,6 +566,7 @@ public class ListUtils {
             return list.subList(start, end);
         }
 
+        @Override
         public int size() {
             return (list.size() + size - 1) / size;
         }

src/main/java/org/apache/commons/collections/trie/UnmodifiableTrie.java

@@ -199,6 +199,7 @@ public class UnmodifiableTrie<K, V> implements Trie<K, V>, Serializable, Unmodif
         return delegate.size();
     }
     
+    @Override
     public int hashCode() {
         return delegate.hashCode();
     }

src/test/java/org/apache/commons/collections/collection/IndexedCollectionTest.java

@@ -98,6 +98,7 @@ public class IndexedCollectionTest extends AbstractCollectionTest<String> {
 
     //------------------------------------------------------------------------
 
+    @Override
     public void testCollectionAddAll() {
         // FIXME: does not work as we do not support multi-keys yet
     }