linux-phytec-fsl

fs: befs: remove useless initialization to zero

node_off is unconditionally set to bt_super.root_node_ptr, so no need to
init it to zero.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>