fixed issue #173 - timezone as output by %z option has a double negative sign
fixed issue #173 - timezone as output by %z option has a double negative sign

godbyk/spdlog,COMBINE-lab/spdlog,godbyk/spdlog,icylord/spdlog,hunter-packages/spdlog,mihadyuk/spdlog,GreatFruitOmsk/spdlog,godbyk/spdlog,COMBINE-lab/spdlog,mihadyuk/spdlog,COMBINE-lab/spdlog,icylord/spdlog,hunter-packages/spdlog,hunter-packages/spdlog,GreatFruitOmsk/spdlog,icylord/spdlog,mihadyuk/spdlog