staging: unisys: fix spacing in file.c

There's a missing blank line between code and declarations in file.c.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/unisys/visorchipset/file.c
Simple merge