Rearrange forgetXDisplay to disable aio before fd close. Required for epoll event handling, we should not close the descriptor before unregistering it.
Rearrange forgetXDisplay to disable aio before fd close.
Required for epoll event handling, we should not close the descriptor
before unregistering it.

OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm