Staging: panel: Fixed a spacing after cast coding style issue

Fixed a spacing after cast coding style issue.
Signed-off-by: NDaniel H. Hemmingsen <dhh.kernel@gmail.com>
Acked-by: NWilly Tarreau <w@1wt.eu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/panel/panel.c

@@ -1788,7 +1788,7 @@ static void phys_scan_contacts(void)
 	gndmask = PNL_PINPUT(r_str(pprt)) & scan_mask_i;
 
 	/* grounded inputs are signals 40-44 */
-	phys_read |= (pmask_t) gndmask << 40;
+	phys_read |= (pmask_t)gndmask << 40;
 
 	if (bitmask != gndmask) {
 		/*