One less complaint from jikes about code style.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276380 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/regexp/RegexpUtil.java

@@ -21,6 +21,9 @@ package org.apache.tools.ant.util.regexp;
  *
  */
 public class RegexpUtil {
+    private RegexpUtil() {
+    }
+
     public static final boolean hasFlag(int options, int flag) {
         return ((options & flag) > 0);
     }