HID: wacom: fix mistake in printk

trivial fix to spelling mistake in hid_warn warning message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index aa0bece..149bdff 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2109,28 +2109,28 @@
 		return;
 	case WACOM_HID_WD_OFFSETLEFT:
 		if (features->offset_left && value != features->offset_left)
-			hid_warn(hdev, "%s: overriding exising left offset "
+			hid_warn(hdev, "%s: overriding existing left offset "
 				 "%d -> %d\n", __func__, value,
 				 features->offset_left);
 		features->offset_left = value;
 		return;
 	case WACOM_HID_WD_OFFSETRIGHT:
 		if (features->offset_right && value != features->offset_right)
-			hid_warn(hdev, "%s: overriding exising right offset "
+			hid_warn(hdev, "%s: overriding existing right offset "
 				 "%d -> %d\n", __func__, value,
 				 features->offset_right);
 		features->offset_right = value;
 		return;
 	case WACOM_HID_WD_OFFSETTOP:
 		if (features->offset_top && value != features->offset_top)
-			hid_warn(hdev, "%s: overriding exising top offset "
+			hid_warn(hdev, "%s: overriding existing top offset "
 				 "%d -> %d\n", __func__, value,
 				 features->offset_top);
 		features->offset_top = value;
 		return;
 	case WACOM_HID_WD_OFFSETBOTTOM:
 		if (features->offset_bottom && value != features->offset_bottom)
-			hid_warn(hdev, "%s: overriding exising bottom offset "
+			hid_warn(hdev, "%s: overriding existing bottom offset "
 				 "%d -> %d\n", __func__, value,
 				 features->offset_bottom);
 		features->offset_bottom = value;