Input: wacom - fix retrieving touch_max bug

rep_data is not an array anymore, so taking it's address when passing to
wacom_get_report() is wrong.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-by: Rafi Rubin <rafi@seas.upenn.edu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index b3a8bd3..23a933d 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -213,7 +213,7 @@
 
 		rep_data[0] = 12;
 		result = wacom_get_report(intf, WAC_HID_FEATURE_REPORT,
-					  rep_data[0], &rep_data, 2,
+					  rep_data[0], rep_data, 2,
 					  WAC_MSG_RETRIES);
 
 		if (result >= 0 && rep_data[1] > 2)