fix checkstyle error

server/src/test/java/password/pwm/util/XmlElementTest.java

@@ -19,6 +19,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+
 package password.pwm.util;
 
 import org.junit.Test;