Use final

Author: garydgregory

src/main/java/org/apache/commons/codec/digest/GitDirectoryEntry.java

@@ -139,12 +139,12 @@ private GitDirectoryEntry(final String name, final Type type, final byte[] rawOb
     }
 
     @Override
-    public int compareTo(GitDirectoryEntry o) {
+    public int compareTo(final GitDirectoryEntry o) {
         return sortKey.compareTo(o.sortKey);
     }
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(final Object obj) {
         if (obj == this) {
             return true;
         }