Adjusted net/StreamSocket to the new stricter abstract class implementation checking.
Adjusted net/StreamSocket to the new stricter abstract class implementation checking.

cogneco/rock,kirbyfan64/rock,davidhesselbom/rock,ds84182/rock,marcusnaslund/rock,fredrikbryntesson/rock,ds84182/rock,zhaihj/rock,ooc-lang/rock,ooc-lang/rock,magic-lang/rock,shamanas/rock,thomasfanell/rock,jonathanudd/rock,fredrikbryntesson/rock,jonathanudd/rock,kirbyfan64/rock,fasterthanlime/rock,thomasfanell/rock,fasterthanlime/rock,cogneco/rock,marcusnaslund/rock,magic-lang/rock,davidhesselbom/rock,zhaihj/rock,shamanas/rock