sony-laptop: fix sparse non-ANSI function warning

Fix sparse warning for non-ANSI function declaration:

drivers/platform/x86/sony-laptop.c:1134:35: warning: non-ANSI function declaration of function 'sony_nc_rfkill_update'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc:	Matthew Garrett <mjg@redhat.com>
Cc:	Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index f200677851b8..68edc97f1926 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1131,7 +1131,7 @@ static int sony_nc_setup_rfkill(struct acpi_device *device,
         return err;
 }
 
-static void sony_nc_rfkill_update()
+static void sony_nc_rfkill_update(void)
 {
         enum sony_nc_rfkill i;
         int result;