fs/befs/linuxvfs.c:befs_iget(): remove unneeded befs_nio initialization to NULL

befs_ino is reinitialized by BEFS_I() so no need to init it
with NULL in the beginning of befs_iget()

Link: http://lkml.kernel.org/r/a5c02445e436629c4d4ba1b65d91501878942f58.1462842887.git.salah.triki@acm.org


Signed-off-by: Salah Triki <salah.triki@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>