properly define ssize_t and recv() for win64 in _rsocket_ffi

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branch : release-pypy3.7-v7.x
2 jobs for release-pypy3.7-v7.3.5rc2 in 8 minutes and 41 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Test
passed check_rpython_annotations #194236

00:07:23

passed hpy_tests #194237

00:08:40