minor bug fixes for releasing bluedroid task events and deleting message queue

components/bt/bluedroid/hci/hci_layer.c

@@ -242,10 +242,10 @@ static void hci_host_thread_handler(void *arg)
                     }
                 }
             }
-        }
             osi_free(e);
         }
     }
+}
 
 static void set_data_queue(fixed_queue_t *queue) {
   hci_host_env.upwards_data_queue = queue;

components/bt/bluedroid/stack/btu/btu_task.c

@@ -324,10 +324,10 @@ static void btu_task_thread_handler(void *arg)
                 fixed_queue_process(btu_oneshot_alarm_queue);
                 fixed_queue_process(btu_l2cap_alarm_queue);
             }
-        }
             osi_free(e);
         }
     }
+}
 
 
 void btu_task_post(void)

examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c

@@ -68,11 +68,11 @@ static void bt_app_task_handler(void *arg)
                 LOG_ERROR("button_press_event come in,button_value=%x\n",e->par);
                 button_msg[1] = e->par;
                 button_msg_notify(2,button_msg);		
-}
             }
             osi_free(e);
         }
     }
+}
 
 static void bt_app_task_post(void)
 {
@@ -201,7 +201,7 @@ static void bt_app_task_shut_down(void)
     fixed_queue_unregister_dequeue(bt_app_general_alarm_queue);
 
     vTaskDelete(xBtaApp1TaskHandle);
-    vTaskDelete(xBtaApp1Queue);
+    vQueueDelete(xBtaApp1Queue);
 }