Changed forward<worker_ptr> to std::move in async logger

include/spdlog/details/thread_pool.h

@@ -75,13 +75,13 @@ struct async_msg
         , time(m.time)
         , thread_id(m.thread_id)
         , msg_id(m.msg_id)
-        , worker_ptr(std::forward<async_logger_ptr>(worker))
+        , worker_ptr(std::move(worker))
     {
         fmt_helper::append_buf(m.raw, raw);
     }
 
     async_msg(async_logger_ptr &&worker, async_msg_type the_type)
-        : async_msg(std::forward<async_logger_ptr>(worker), the_type, details::log_msg())
+        : async_msg(std::move(worker), the_type, details::log_msg())
     {
     }
 
@@ -151,7 +151,7 @@ public:
 
     void post_log(async_logger_ptr &&worker_ptr, details::log_msg &&msg, async_overflow_policy overflow_policy)
     {
-        async_msg async_m(std::forward<async_logger_ptr>(worker_ptr), async_msg_type::log, std::forward<log_msg>(msg));
+        async_msg async_m(std::move(worker_ptr), async_msg_type::log, std::forward<log_msg>(msg));
         post_async_msg_(std::move(async_m), overflow_policy);
     }