update orderer to orderer0 in script.sh

Update orderer to orderer0 in script.sh to fetch the
correct IP address of Orderer0 docker container.

Change-Id: I04dc7d74dce90a971593ed8352eb317405e87dc6
Signed-off-by: rameshthoomu <rameshbabu.thoomu@gmail.com>

examples/e2e_cli/scripts/script.sh

@@ -1,14 +1,14 @@
 #!/bin/bash
 
 # find address of orderer and peers in your network
-ORDERER_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("orderer")); print "$a\n";'`
+ORDERER0_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("orderer0")); print "$a\n";'`
 PEER0_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("peer0")); print "$a\n";'`
 PEER1_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("peer1")); print "$a\n";'`
 PEER2_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("peer2")); print "$a\n";'`
 PEER3_IP=`perl -e 'use Socket; $a = inet_ntoa(inet_aton("peer2")); print "$a\n";'`
 
 echo "-----------------------------------------"
-echo "Orderer IP $ORDERER_IP"
+echo "Orderer0 IP $ORDERER0_IP"
 echo "PEER0 IP $PEER0_IP"
 echo "PEER1 IP $PEER1_IP"
 echo "PEER2 IP $PEER2_IP"