Fix a binary warning in cowboy_clock.
Fix a binary warning in cowboy_clock.

Just a change in the order of arguments of update_rfc1123.

bsmr-erlang/cowboy,essen/cowboy,unisontech/cowboy,CrankWheel/cowboy,rbalint/pkg-erlang-cowboy,manastech/cowboy,odo/cowboy,noname007/cowboy,omusico/cowboy,cad627/cowboy,paulperegud/cowboy,acrispin/cowboy,binarin/cowboy,binarin/cowboy,K2InformaticsGmbH/cowboy,yangchengjian/cowboy,manastech/cowboy,heroku/cowboy,dangjun625/cowboy,linearregression/cowboyku,nviennot/cowboy,piboye/cowboy,ninenines/cowboy,lpgauth/cowboy,yangchengjian/cowboy,LineMetrics/cowboy,grahamrhay/cowboy,276361270/cowboy,LineMetrics/cowboy,unisontech/cowboy,callsign-core/cowboy_hybi00,LineMetrics/cowboy,layerhq/cowboy,ferd/cowboyku,hairyhum/cowboy,turtleDeng/cowboy,layerhq/cowboy,chef/cowboy,heroku/cowboy,piboye/cowboy,MSch/cowboy,cad627/cowboy,heroku/cowboyku,bobos/ecweb,lpgauth/cowboy,kivra/cowboy,rabbitmq/cowboy,imdeps/cowboy,Reimerei/cowboy,venkateshreddy/cowboy,pap/cowboy,sile/cowboy,essen/cowboy,callsign-core/cowboy_hybi00