Set SERVER_PORT correctly when not specified.
Set SERVER_PORT correctly when not specified.

pschanely/gunicorn,WSDC-NITWarangal/gunicorn,gtrdotmcs/gunicorn,1stvamp/gunicorn,harrisonfeng/gunicorn,urbaniak/gunicorn,ccl0326/gunicorn,ccl0326/gunicorn,mvaled/gunicorn,alex/gunicorn,zhoucen/gunicorn,mvaled/gunicorn,pschanely/gunicorn,prezi/gunicorn,tempbottle/gunicorn,1stvamp/gunicorn,beni55/gunicorn,wong2/gunicorn,prezi/gunicorn,malept/gunicorn,z-fork/gunicorn,elelianghh/gunicorn,prezi/gunicorn,gtrdotmcs/gunicorn,ammaraskar/gunicorn,jamesblunt/gunicorn,gtrdotmcs/gunicorn,GitHublong/gunicorn,tejasmanohar/gunicorn,jamesblunt/gunicorn,wong2/gunicorn,keakon/gunicorn,1stvamp/gunicorn,ccl0326/gunicorn,mvaled/gunicorn,urbaniak/gunicorn,jamesblunt/gunicorn,zhoucen/gunicorn,pschanely/gunicorn,alex/gunicorn,urbaniak/gunicorn,malept/gunicorn,zhoucen/gunicorn,malept/gunicorn,ephes/gunicorn,MrKiven/gunicorn,wong2/gunicorn,alex/gunicorn