Refactor: pull up duplicate code

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1779829 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/commons-jcs-core/src/main/java/org/apache/commons/jcs/engine/memory/AbstractDoubleLinkedListMemoryCache.java b/commons-jcs-core/src/main/java/org/apache/commons/jcs/engine/memory/AbstractDoubleLinkedListMemoryCache.java
index 14c42f2..1ae8c06 100644
--- a/commons-jcs-core/src/main/java/org/apache/commons/jcs/engine/memory/AbstractDoubleLinkedListMemoryCache.java
+++ b/commons-jcs-core/src/main/java/org/apache/commons/jcs/engine/memory/AbstractDoubleLinkedListMemoryCache.java
@@ -47,7 +47,7 @@
 public abstract class AbstractDoubleLinkedListMemoryCache<K, V> extends AbstractMemoryCache<K, V>
 {
     /** The logger. */
-    static final Log log = LogFactory.getLog(AbstractDoubleLinkedListMemoryCache.class);
+    private static final Log log = LogFactory.getLog(AbstractDoubleLinkedListMemoryCache.class);
 
     /** thread-safe double linked list for lru */
     protected DoubleLinkedList<MemoryElementDescriptor<K, V>> list; // TODO privatise