staging: unisys: Fix open parenthesis alignment checks in virthba.c

This patch fixes the "alignment should match open parenthesis" checks from the
checkpatch script.

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