testing: Fixed typos

testing/tests/af-alg/rw-cert/hosts/carol/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = random nonce test-vectors pem pkcs1 af-alg ccn gcm openssl revocation curl kernel-netlink socket-default updown vici
+  load = random nonce test-vectors pem pkcs1 af-alg ccm gcm openssl revocation curl kernel-netlink socket-default updown vici
 }