move conn.Close outside negotiateContract
move conn.Close outside negotiateContract

not sure why I thought this was a good idea. The Close call should
pretty much always be deferred immediately after it's created.

MrStrong/Sia,ChrisSchinnerl/Sia,Mingling94/Sia,mnsl/Sia,ericflo/Sia,mtlynch/Sia,ChrisSchinnerl/Sia,mtlynch/Sia,mharkus/Sia,MrStrong/Sia,NebulousLabs/Sia,NebulousLabs/Sia,mharkus/Sia,mnsl/Sia,ericflo/Sia,rivine/rivine,rivine/rivine,johnathanhowell/Sia