net: reflect TCP backlog size update of uint16->uint32 on Linux
The sk_max_ack_backlog was increased from uint16 to uint32 in kernel
version 4.1 and above, so adopt that change to maxListenerBacklog.
See https://github.com/torvalds/linux/commit/
becb74f0acca19b5abfcb24dc602530f3deea66a
Fixes #41470
Change-Id: I63a142eb28f3ac3acaca57f0903c085c6cb15a6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/255898
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>