* sysdeps/mach/hurd/getsockname.c (getsockname): Set *LEN to the
actual length if the adress length is smaller than the input
value. Change type of *LEN paramater to socklen_t.
* sysdeps/mach/hurd/getpeername.c (getpeername): Likewise.
* sysdeps/mach/hurd/accept.c (accept): Likewise.
* sysdeps/mach/hurd/recvfrom.c (recvfrom): Likewise.
* sysdeps/mach/hurd/sendto.c (sendto): Change type of ADDR_LEN
paramater to socklen_t.