This patch removes a private strdup in net/sunrpc/svcauth_unix.c, and updates it
to use the kstrdup library function.

Signed-off-by: Paulo Marques <pmarques@grupopie.com>

--
Paulo Marques - www.grupopie.com
 
All that is necessary for the triumph of evil is that good men do nothing.
Edmund Burke (1729 - 1797)