update stax.dtd path following architecture change

andrug

21.28.2008 a28b420414cd8a05dea3d67c4e151b80f5a75ff5

 opends/tests/system-tests/phases/shared/functions/opendsadm.xml

@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE stax SYSTEM "../../../shared/stax.dtd">
<!DOCTYPE stax SYSTEM "../../../../shared/stax.dtd">
<!--
 ! CDDL HEADER START
 !