fix(sh4re): add blank doc comment line to fix clippy doc_lazy_continuation

hive-sh4re/src/priv_proto.rs

@@ -193,6 +193,7 @@ pub enum PrivRequest {
     /// - `active`  → `systemctl reload nginx` (SIGHUP, zero-downtime)
     /// - `failed`  → `systemctl reset-failed nginx` + `systemctl start nginx`
     /// - otherwise → `systemctl start nginx`
+    ///
     /// Requires root: `--machine=hive-gateway` enters the container
     /// namespace via the machine bus (forbidden for unprivileged users).
     ReloadGatewayNginx,