fix a potential blocking issue when StreamHealth fails#3898

Merged

sougou merged 2 commits intovitessio:masterfrom

tinyspeck:fix-healthcheck-close-stall

May 6, 2018

Commits on May 5, 2018

fix a potential blocking issue when StreamHealth fails
demmer
committed

Commits on May 6, 2018

drop the lock in finalizeConn as well before calling Close()
demmer
committed