rpc-lib: Fail auth-unix if more than 16 gids found
rpc-lib: Fail auth-unix if more than 16 gids found

Signed-off-by: Shehjar Tikoo <shehjart@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 2045 (Write permission denied for non-primary group membership)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2045

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster