Update async_log_helper.h
Update async_log_helper.h

Fixed shadow warning in gcc
hunter-packages/spdlog,godbyk/spdlog,GreatFruitOmsk/spdlog,hunter-packages/spdlog,COMBINE-lab/spdlog,COMBINE-lab/spdlog,godbyk/spdlog,COMBINE-lab/spdlog,icylord/spdlog,mihadyuk/spdlog,GamePad64/spdlog,icylord/spdlog,hunter-packages/spdlog,GamePad64/spdlog,icylord/spdlog,godbyk/spdlog,mihadyuk/spdlog,mihadyuk/spdlog,GreatFruitOmsk/spdlog