try.

Author: redboltz

include/mqtt/endpoint.hpp

@@ -11217,11 +11217,11 @@ class endpoint : public std::enable_shared_from_this<endpoint<Mutex, LockGuard,
 
     void async_send_store(move_only_function<void()> func) {
         // packet_id has already been registered
-        auto g = shared_scope_guard(
+        auto g{shared_scope_guard(
             [func = force_move(func)] () mutable {
                 func();
             }
-        );
+        )};
         LockGuard<Mutex> lck (store_mtx_);
         if (store_.empty()) {
             socket().post(