rpc.gssd: don't call poll(2) twice a second

rpc.gssd: don't call poll(2) twice a second

Use ppoll() instead.

[ cel Wed Aug  1 11:44:46 EDT 2012 - autoconfiscated Bruce's version ]

Related clean-up: Since we're pulling the poll/ppoll call out into a
separate function, note that the second argument of poll(2) and
ppoll(2) is not an int, it's an unsigned long.  The nfds_t typedef
is a recent invention, so use the raw type for compatibility with
older glibc headers.

Acked-by: J. Bruce Fields" <bfields@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>