message: [Crypto] Fix %= and /= bignum operators
diff: @@ -612,17 +612,13 @@ public:
  CBigNum& operator/=(const CBigNum& b)
  {
  - CAutoBN_CTX pctx;
  - if (!BN_div(bn, NULL, bn, b.bn, pctx))
  - throw bignum_error("CBigNum::operator/= : BN_div failed");
  + *this = *this / b;
  return *this;
  }
  CBigNum& operator%=(const CBigNum& b)
  {
  - CAutoBN_CTX pctx;
  - if (!BN_mod(bn, b.bn, bn, pctx))
  - throw bignum_error("CBigNum::operator%= : BN_mod failed");
  + *this = *this % b;
  return *this;
  }
  