[MCHANGELOG-50] Changes are not sorted by date properly

Submitted by: Fabrice Bellingard

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk/maven-changelog-plugin@463930 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/maven/plugin/changelog/ChangeLogReport.java

@@ -916,7 +916,8 @@ public class ChangeLogReport
 
         initReportUrls();
 
-        Collections.sort( new ArrayList( entries ), new Comparator()
+        List sortedEntries = new ArrayList(entries);
+        Collections.sort( sortedEntries, new Comparator()
         {
             public int compare( Object arg0, Object arg1 )
             {
@@ -926,7 +927,7 @@ public class ChangeLogReport
             }
         } );
 
-        for ( Iterator i = entries.iterator(); i.hasNext(); )
+        for ( Iterator i = sortedEntries.iterator(); i.hasNext(); )
         {
             ChangeSet entry = (ChangeSet) i.next();