Make it more obvious for coverity that cid 404 is not dead code

src/or/directory.c

@@ -1463,21 +1463,22 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
   }
   (void) skewed; /* skewed isn't used yet. */
 
-  if (status_code == 503 && body_len < 16) {
-    routerstatus_t *rs;
-    trusted_dir_server_t *ds;
-    log_info(LD_DIR,"Received http status code %d (%s) from server "
-             "'%s:%d'. I'll try again soon.",
-             status_code, escaped(reason), conn->_base.address,
-             conn->_base.port);
-    if ((rs = router_get_consensus_status_by_id(conn->identity_digest)))
-      rs->last_dir_503_at = now;
-    if ((ds = router_get_trusteddirserver_by_digest(conn->identity_digest)))
-      ds->fake_status.last_dir_503_at = now;
+  if (status_code == 503) {
+    if (body_len < 16) {
+      routerstatus_t *rs;
+      trusted_dir_server_t *ds;
+      log_info(LD_DIR,"Received http status code %d (%s) from server "
+               "'%s:%d'. I'll try again soon.",
+               status_code, escaped(reason), conn->_base.address,
+               conn->_base.port);
+      if ((rs = router_get_consensus_status_by_id(conn->identity_digest)))
+        rs->last_dir_503_at = now;
+      if ((ds = router_get_trusteddirserver_by_digest(conn->identity_digest)))
+        ds->fake_status.last_dir_503_at = now;
 
-    tor_free(body); tor_free(headers); tor_free(reason);
-    return -1;
-  } else if (status_code == 503) {
+      tor_free(body); tor_free(headers); tor_free(reason);
+      return -1;
+    }
     /* XXXX022 Remove this once every server with bug 539 is obsolete. */
     log_info(LD_DIR, "Server at '%s:%d' sent us a 503 response, but included "
              "a body anyway.  We'll pretend it gave us a 200.",