resolved: actually enable mDNS support

Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com>

src/resolve/resolved-manager.c

@@ -498,7 +498,7 @@ int manager_new(Manager **ret) {
         m->hostname_fd = -1;
 
         m->llmnr_support = RESOLVE_SUPPORT_YES;
-        m->mdns_support = RESOLVE_SUPPORT_NO;
+        m->mdns_support = RESOLVE_SUPPORT_YES;
         m->dnssec_mode = DEFAULT_DNSSEC_MODE;
         m->enable_cache = true;
         m->dns_stub_listener_mode = DNS_STUB_LISTENER_UDP;