nsqd: fix deflate level handling
nsqd: fix deflate level handling

rpau/nsq,sparklxb/nsq,jehiah/nsq,nsqio/nsq,bitly/nsq,rpau/nsq,jehiah/nsq,ploxiln/nsq,bitly/nsq,ploxiln/nsq,jehiah/nsq,nsqio/nsq,sparklxb/nsq,bitly/nsq,ploxiln/nsq,ploxiln/nsq,jehiah/nsq,sparklxb/nsq,mreiferson/nsq,mreiferson/nsq,nsqio/nsq,nsqio/nsq,sparklxb/nsq,ploxiln/nsq,bitly/nsq,sparklxb/nsq,mreiferson/nsq,bitly/nsq,rpau/nsq,mreiferson/nsq,jehiah/nsq,rpau/nsq,rpau/nsq,nsqio/nsq,mreiferson/nsq