fs: befs: remove unnecessary *befs_sb variable

Remove *befs_sb and just call BEFS_SB(sb) directly, since the returned
value by this function is only used once.

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