dccp: build fixes, mdb (vfs sonode missing)

@@ -4079,11 +4079,11 @@
         /* from net.c */
         { "dladm", "?<sub-command> [flags]", "show data link information",
                 dladm, dladm_help },
         { "mi", ":[-p] [-d | -m]", "filter and display MI object or payload",
                 mi },
-        { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp]",
+        { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp | dccp]",
                 "show network statistics", netstat },
         { "sonode", "?[-f inet | inet6 | unix | #] "
                 "[-t stream | dgram | raw | #] [-p #]",
                 "filter and display sonode", sonode },
 

@@ -4478,10 +4478,12 @@
                 icmp_stacks_walk_init, icmp_stacks_walk_step, NULL },
         { "tcp_stacks", "walk all the tcp_stack_t",
                 tcp_stacks_walk_init, tcp_stacks_walk_step, NULL },
         { "udp_stacks", "walk all the udp_stack_t",
                 udp_stacks_walk_init, udp_stacks_walk_step, NULL },
+        { "dccp_stacks", "walk all the dccp_stack_t",
+                dccp_stacks_walk_init, dccp_stacks_walk_step, NULL },
 
         /* from netstack.c */
         { "netstack", "walk a list of kernel netstacks",
                 netstack_walk_init, netstack_walk_step, NULL },