windows: fix sockname discovery when used outside of the test harness
windows: fix sockname discovery when used outside of the test harness

subprocess.Popen close_fds is only useful on posix systems and actively
breaks us on Windows

hanhailong/watchman,dcolascione/laptop-watchman,michalliu/watchman,kevinsawicki/watchman,kwlzn/watchman,kwlzn/watchman,dcolascione/laptop-watchman,masoncloud/watchman,montogeek/watchman,twitter/watchman,michalliu/watchman,dcolascione/laptop-watchman,montogeek/watchman,webmasteraxe/watchman,yun63/watchman,facebook/watchman,hanhailong/watchman,kevinsawicki/watchman,besarthoxhaj/watchman,windofthesky/watchman,bitemyapp/watchman,yun63/watchman,sdgdsffdsfff/watchman,sdgdsffdsfff/watchman,masoncloud/watchman,amasad/watchman,windofthesky/watchman,montogeek/watchman,facebook/watchman,michalliu/watchman,bitemyapp/watchman,michalliu/watchman,amasad/watchman,montogeek/watchman,facebook/watchman,dcolascione/laptop-watchman,nodakai/watchman,dhruvsinghal/watchman,supriyantomaftuh/watchman,Jonekee/watchman,yonglehou/watchman,kwlzn/watchman,webmasteraxe/watchman,kevinsawicki/watchman,hanhailong/watchman,yonglehou/watchman,yun63/watchman,supriyantomaftuh/watchman,wez/watchman,montogeek/watchman,amasad/watchman,twitter/watchman,kwlzn/watchman,nodakai/watchman,masoncloud/watchman,yun63/watchman,yangeagle/watchman,dcolascione/laptop-watchman,besarthoxhaj/watchman,yangeagle/watchman,sdgdsffdsfff/watchman,facebook/watchman,Jonekee/watchman,supriyantomaftuh/watchman,besarthoxhaj/watchman,sdgdsffdsfff/watchman,hanhailong/watchman,wez/watchman,wez/watchman,webmasteraxe/watchman,nodakai/watchman,yun63/watchman,dhruvsinghal/watchman,supriyantomaftuh/watchman,twitter/watchman,besarthoxhaj/watchman,dhruvsinghal/watchman,sdgdsffdsfff/watchman,facebook/watchman,sdgdsffdsfff/watchman,wez/watchman,besarthoxhaj/watchman,sdgdsffdsfff/watchman,bitemyapp/watchman,masoncloud/watchman,dhruvsinghal/watchman,Jonekee/watchman,yonglehou/watchman,dcolascione/laptop-watchman,masoncloud/watchman,yun63/watchman,masoncloud/watchman,facebook/watchman,webmasteraxe/watchman,supriyantomaftuh/watchman,yangeagle/watchman,yonglehou/watchman,yangeagle/watchman,nodakai/watchman,kwlzn/watchman,michalliu/watchman,michalliu/watchman,facebook/watchman,yonglehou/watchman,amasad/watchman,besarthoxhaj/watchman,yonglehou/watchman,wez/watchman,wez/watchman,webmasteraxe/watchman,kwlzn/watchman,windofthesky/watchman,besarthoxhaj/watchman,Jonekee/watchman,twitter/watchman,yangeagle/watchman,dhruvsinghal/watchman,facebook/watchman,supriyantomaftuh/watchman,masoncloud/watchman,hanhailong/watchman,Jonekee/watchman,webmasteraxe/watchman,wez/watchman,kevinsawicki/watchman,dcolascione/laptop-watchman,amasad/watchman,nodakai/watchman,twitter/watchman,facebook/watchman,kevinsawicki/watchman,michalliu/watchman,supriyantomaftuh/watchman,montogeek/watchman,montogeek/watchman,yangeagle/watchman,nodakai/watchman,hanhailong/watchman,Jonekee/watchman,michalliu/watchman,amasad/watchman,hanhailong/watchman,Jonekee/watchman,kevinsawicki/watchman,bitemyapp/watchman,nodakai/watchman,twitter/watchman,windofthesky/watchman,yonglehou/watchman,nodakai/watchman,amasad/watchman,montogeek/watchman,dcolascione/laptop-watchman,bitemyapp/watchman,Jonekee/watchman,besarthoxhaj/watchman,supriyantomaftuh/watchman,windofthesky/watchman,masoncloud/watchman,dhruvsinghal/watchman,amasad/watchman,nodakai/watchman,dhruvsinghal/watchman,sdgdsffdsfff/watchman,bitemyapp/watchman,webmasteraxe/watchman,kevinsawicki/watchman,dhruvsinghal/watchman,bitemyapp/watchman,yonglehou/watchman,yangeagle/watchman,hanhailong/watchman,wez/watchman,yun63/watchman,kwlzn/watchman,bitemyapp/watchman,yun63/watchman,twitter/watchman,windofthesky/watchman,twitter/watchman,webmasteraxe/watchman,wez/watchman,windofthesky/watchman