[CODEC-115] DoubleMetaphone.maxCodeLen should probably be private

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1064462 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/java/org/apache/commons/codec/language/DoubleMetaphone.java

@@ -56,7 +56,7 @@ public class DoubleMetaphone implements StringEncoder {
     /**
      * Maximum length of an encoding, default is 4
      */
-    protected int maxCodeLen = 4;
+    private int maxCodeLen = 4;
 
     /**
      * Creates an instance of this DoubleMetaphone encoder