[pipe] Do not rely on the DATABASE event to be triggered during startup

to start listening on pipes

src/inputs/pipe.c

@@ -925,7 +925,10 @@ init(void)
 
   pipe_autostart = cfg_getbool(cfg_getsec(cfg, "library"), "pipe_autostart");
   if (pipe_autostart)
+    {
+      pipe_listener_cb(0);
       CHECK_ERR(L_PLAYER, listener_add(pipe_listener_cb, LISTENER_DATABASE));
+    }
 
   return 0;
 }