Input: adbhid - fix OOPS introduced by dynalloc conversion

The problem is that adbhid[]->input is NULL, so the kernel oopses with
a null pointer dereference as soon as a key is pressed.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index cdb6d02..8f02c15 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -723,6 +723,7 @@
 
 	sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
 
+	hid->input = input_dev;
 	hid->id = default_id;
 	hid->original_handler_id = original_handler_id;
 	hid->current_handler_id = current_handler_id;