message: Make constants static: static const secp256k1_ge secp256k1_ge_const_g; static const int CURVE_B;
  Summary: This is a backport of secp256k1's PR552
  Test Plan:
  ninja check-secp256k1
  Reviewers: #bitcoin_abc, Fabien
diff: */
  #if defined(EXHAUSTIVE_TEST_ORDER)
  # if EXHAUSTIVE_TEST_ORDER == 199
  -const secp256k1_ge secp256k1_ge_const_g = SECP256K1_GE_CONST(
  +static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_GE_CONST(
  0xFA7CC9A7, 0x0737F2DB, 0xA749DD39, 0x2B4FB069,
  0x3B017A7D, 0xA808C2F1, 0xFB12940C, 0x9EA66C18,
  0x78AC123A, 0x5ED8AEF3, 0x8732BC91, 0x1F3A2868,
  0x48DF246C, 0x808DAE72, 0xCFE52572, 0x7F0501ED
  );
  -const int CURVE_B = 4;
  +static const int CURVE_B = 4;
  # elif EXHAUSTIVE_TEST_ORDER == 13
  -const secp256k1_ge secp256k1_ge_const_g = SECP256K1_GE_CONST(
  +static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_GE_CONST(
  0xedc60018, 0xa51a786b, 0x2ea91f4d, 0x4c9416c0,
  0x9de54c3b, 0xa1316554, 0x6cf4345c, 0x7277ef15,
  0x54cb1b6b, 0xdc8c1273, 0x087844ea, 0x43f4603e,
  0x0eaf9a43, 0xf6effe55, 0x939f806d, 0x37adf8ac
  );
  -const int CURVE_B = 2;
  +static const int CURVE_B = 2;
  # else
  # error No known generator for the specified exhaustive test group order.
  # endif
  @@ -68,7 +68,7 @@ static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_GE_CONST(
  0xFD17B448UL, 0xA6855419UL, 0x9C47D08FUL, 0xFB10D4B8UL
  );
  -const int CURVE_B = 7;
  +static const int CURVE_B = 7;
  #endif
  static void secp256k1_ge_set_gej_zinv(secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zi) {
  