Fix extra default -i arguments for multihop When multihop executes dbclient it should only add -i arguments from the original commandline, not the default id_dropbear key. Otherwise multiple -i arguments keep getting added which results in servers disconnecting with too many auth attempts

#include "tommath_private.h"
#ifdef BN_MP_SET_U64_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

MP_SET_UNSIGNED(mp_set_u64, uint64_t)
#endif