Staging: lustre: namei.c: fix "foo * bar" should be "foo *bar"

This patch fixes a coding style error in a pointer declaration.

Signed-off-by: Laure Millet <laure.millet@lip6.fr>
Signed-off-by: Maxime Lorrillere <maxime.lorrillere@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>