Staging: exfat: fixed a long line coding style issue

Fixed a coding style issue

Signed-off-by: Vivek M <bitu.kv@gmail.com>
Link: https://lore.kernel.org/r/1582837865-2219-1-git-send-email-bitu.kv@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>