Bluetooth: Fix consistency with u16 integer type in mgmt pending_cmd

For consistency the integer type should be u16 and not __u16.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/mgmt.c

@@ -36,7 +36,7 @@
 
 struct pending_cmd {
 	struct list_head list;
-	__u16 opcode;
+	u16 opcode;
 	int index;
 	void *param;
 	struct sock *sk;