Fix protected-> public so method can be accessed outside package

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270859 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/framework/PatternSet.java

@@ -92,7 +92,7 @@ public class PatternSet
     /**
      * Adds the patterns of the other instance to this set.
      */
-    protected void append( final PatternSet other )
+    public void append( final PatternSet other )
     {
         m_includeList.addAll( other.m_includeList );
         m_excludeList.addAll( other.m_excludeList );