Add missing @Override annotations.

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1767393 13f79535-47bb-0310-9956-ffa450edef68

httpclient5-osgi/src/main/java/org/apache/hc/client5/http/osgi/impl/WeakList.java

@@ -93,10 +93,12 @@ class WeakList<T> extends AbstractList<T> {
             fetchNext();
         }
 
+        @Override
         public boolean hasNext() {
             return next != null;
         }
 
+        @Override
         public T next() {
             if (next != null) {
                 final T result = next.get();
@@ -119,6 +121,7 @@ class WeakList<T> extends AbstractList<T> {
             next = null;
         }
 
+        @Override
         public void remove() {
             throw new UnsupportedOperationException();
         }