[hotfix] Fix checkstyle violations in EvictingBoundedList

flink-runtime/src/main/java/org/apache/flink/runtime/util/EvictingBoundedList.java

@@ -50,13 +50,13 @@ public class EvictingBoundedList<T> implements Iterable<T>, Serializable {
  /** the array (viewed as a circular buffer) that holds the latest (= non-evicted) elements */
  private final Object[] elements;
 
- /** The next index to put an element in the array */
+ /** The next index to put an element in the array. */
  private int idx;
 
- /** The current number of (virtual) elements in the list */
+ /** The current number of (virtual) elements in the list. */
  private int count;
 
- /** Modification count for fail-fast iterators */
+ /** Modification count for fail-fast iterators. */
  private long modCount;
 
  // ------------------------------------------------------------------------