staging: lustre: lnet: lnet: Fix missing line warning.

This patch fixes "Fixes "Missing a blank line after declarations"
checkpatch.pl warning in api-ni.c

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>