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 <alessandro.parini@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/visorchipset.c

@@ -2399,6 +2399,7 @@ static __init uint32_t visorutil_spar_detect(void)
 static int init_unisys(void)
 {
 	int result;
+
 	if (!visorutil_spar_detect())
 		return -ENODEV;