esnet/iperf — pull request #184 by fornwall (2014-06-16 07:03:26+00:00)
Title: Include <sys/select.h> for select(2)

The sys/select.h include is the correct one and fixes building on Android.

See e.g. http://pubs.opengroup.org/onlinepubs/009604599/functions/pselect.html