ITS#5810: fix previous commit - skip back-null

tests/scripts/test025-limits

@@ -18,6 +18,11 @@
 echo "running defines.sh"
 . $SRCDIR/scripts/defines.sh
 
+if test $BACKEND = null; then
+	echo "Limits irrelevant to $BACKEND backend, test skipped"
+	exit 0
+fi
+
 mkdir -p $TESTDIR $DBDIR1
 
 echo "Running slapadd to build slapd database..."
@@ -29,11 +34,6 @@ if test $RC != 0 ; then
 	exit $RC
 fi
 
-if test $BACKEND = null; then
-	echo "Limits irrelevant to $BACKEND backend, test skipped"
-	exit 0
-fi
-
 echo "Running slapindex to index slapd database..."
 . $CONFFILTER $BACKEND $MONITORDB < $LIMITSCONF > $CONF1
 $SLAPINDEX -f $CONF1