Bluetooth: Fix two minor style issues in management code

WARNING: Statements terminations use 1 semicolon
+	return err;;

WARNING: space prohibited between function name and open parenthesis '('
+		err = cmd_status (sk, index, MGMT_OP_CONFIRM_NAME,

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>