[www] faq17.html patch for possible typo

[Marfaba Stewart]

patch for http://www.openbsd.org/faq/faq17.html:

--- a/faq17.html        2021-05-31 09:21:14.822788500 -0500
+++ b/faq17.html        2021-05-31 09:22:01.375496403 -0500
@@ -323,7 +323,7 @@ ikev2 'roadwarrior' active esp \
         from dynamic to any \
         peer 192.0.2.1 \
         srcid roadwarrior \
-        dstid server1.domain
+        dstid server1.domain \
         request address any \
         iface vether0
 </pre>