Re-added documentation for idle_time option
Merge branch 'fredrik/ssh/fix-idle_time-doc'

* fredrik/ssh/fix-idle_time-doc:
  Re-added documentation for idle_time option
Use correct way to pull the definition of ssize_t

Necessary for NetBSD with _POSIX_SOURCE at least.
Merge branch 'yamt/erl_driver-ssize_t/OTP-10699'

* yamt/erl_driver-ssize_t/OTP-10699:
  Use correct way to pull the definition of ssize_t