staging: unisys: fix "missing a blank line" coding style

fix coding style issue "Missing a blank line after declarations"
detected by checkpatch.pl in visorchipset.c

Signed-off-by: Alessandro Parini <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/unisys/visorbus/visorchipset.c

···
 static int init_unisys(void)
 {
 	int result;
+
 	if (!visorutil_spar_detect())
 		return -ENODEV;