Suppress PMD false positive

Author: sebbASF

src/main/java/org/apache/commons/collections4/IterableUtils.java

@@ -624,7 +624,7 @@ public Iterator<E> iterator() {
                 return new LazyIteratorChain<E>() {
                     @Override
                     protected Iterator<? extends E> nextIterator(final int count) {
-                        if (IterableUtils.isEmpty(iterable)) {
+                        if (IterableUtils.isEmpty(iterable)) { //NOPMD: qualifier is needed here
                             return null;
                         }
                         return iterable.iterator();