Fix malformed Javadoc comments

Author: garydgregory

src/main/java/org/apache/commons/pool3/impl/DefaultEvictionPolicy.java

@@ -31,7 +31,7 @@
  *     {@link GenericKeyedObjectPoolConfig#getMinIdlePerKey()} idle objects in
  *     the pool and the object has been idle for longer than
  *     {@link GenericObjectPool#getSoftMinEvictableIdleDuration()} /
- *     {@link GenericKeyedObjectPool#getSoftMinEvictableIdleDuration()}
+ *     {@link GenericKeyedObjectPool#getSoftMinEvictableIdleDuration()}</li>
  * </ul>
  * <p>
  * This class is immutable and thread-safe.