resolve: add assert_not_reached()

Follow-up for 3fe30d85e37a4aa6729e1e3738d44e9a16d7232d.

diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c
index 5476ca2dbd5d3b52a9b9e90f9cca6b102d84cc6a..6645db467cb2b87d6eeaea723e5d5310cf7d3225 100644 (file)
--- a/src/resolve/resolved-dns-server.c
+++ b/src/resolve/resolved-dns-server.c
@@ -164,6 +164,8 @@ void dns_server_unlink(DnsServer *s) {
                 LIST_REMOVE(servers, s->manager->fallback_dns_servers, s);
                 s->manager->n_dns_servers--;
                 break;
+        default:
+                assert_not_reached("Unknown server type");
         }
 
         s->linked = false;