test047 needs slapo-rwm (ITS#5292)

tests/scripts/test047-ldap

@@ -23,6 +23,11 @@ if test $BACKLDAP = ldapno ; then
 	exit 0
 fi
 
+if test $RWM = rwmno ; then 
+	echo "rwm (rewrite/remap) overlay not available, test skipped"
+	exit 0
+fi 
+
 rm -rf $TESTDIR
 
 mkdir -p $TESTDIR $DBDIR1 $DBDIR2