#define err in tipc/core.h, just 1 def included

Signed-off-by: Lokesh Mandvekar <lsm5@buffalo.edu>
vzalloc replaced by __vmalloc in tipc/ref.c

Signed-off-by: Lokesh Mandvekar <lsm5@buffalo.edu>
sk_sleep in tipc/socket.c used as per 2.6.30

Signed-off-by: Lokesh Mandvekar <lsm5@buffalo.edu>
sk_sleep in tipc/socket.c (send_msg function) used as per 2.6.30

Signed-off-by: Lokesh Mandvekar <lsm5@buffalo.edu>
sk_sleep usage in tipc/socket.c changed as per 2.6.30

Signed-off-by: Lokesh Mandvekar <lsm5@buffalo.edu>