HID: fixed bug in single-touch emulation on the stantum panel

Fixed stupid copy-paste bug in touchscreen emulation for the Stantum multitouch
panel: a flag was reset just before being tested.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-stantum.c b/drivers/hid/hid-stantum.c
index add965d..1b7b165 100644
--- a/drivers/hid/hid-stantum.c
+++ b/drivers/hid/hid-stantum.c
@@ -147,7 +147,6 @@
 
 	input_mt_sync(input);
 	sd->valid = false;
-	sd->first = false;
 
 	/* touchscreen emulation */
 	if (sd->first) {
@@ -158,6 +157,7 @@
 		input_event(input, EV_ABS, ABS_X, sd->x);
 		input_event(input, EV_ABS, ABS_Y, sd->y);
 	}
+	sd->first = false;
 }