4539. [bug] Referencing a nonexistant zone with rpz could lead

to a assertion failure when configuring. [RT #43787]

(cherry picked from commit 762c4fc5a8)

bin/tests/system/checkconf/tests.sh

@@ -38,8 +38,10 @@ for bad in bad-*.conf
 do
 	ret=0
 	echo "I: checking that named-checkconf detects error in $bad"
-	$CHECKCONF $bad > /dev/null 2>&1
-	if [ $? != 1 ]; then echo "I:failed"; ret=1; fi
+	$CHECKCONF $bad > checkconf.out 2>&1
+	if [ $? != 1 ]; then ret=1; fi
+	grep "^$bad:[0-9]*: " checkconf.out > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo "I:failed"; fi
 	status=`expr $status + $ret`
 done