* harbour/source/rtl/hbsocket.c
! added sock_init()/sock_exit() calls to DOS builds.
! use select_s() and close_s() instead of select() and close()
in DOS builds.
* harbour/contrib/hbnetio/netiocli.c
* harbour/contrib/hbnetio/netiosrv.c
! initialize socket library automatically - it's necessary for some
platforms.