message: Fix:  test compilation error in 3.0.6
diff: BOOST_AUTO_TEST_SUITE(scriptnum_tests)
  static const long values[] = \
  -{ 0, 1, CHAR_MIN, CHAR_MAX, UCHAR_MAX, SHRT_MIN, USHRT_MAX, INT_MIN, INT_MAX, UINT_MAX, LONG_MIN, LONG_MAX };
  +{ 0, 1, CHAR_MIN, CHAR_MAX, UCHAR_MAX, SHRT_MIN, USHRT_MAX, INT_MIN, INT_MAX, static_cast<long>UINT_MAX, LONG_MIN, LONG_MAX };
  static const long offsets[] = { 1, 0x79, 0x80, 0x81, 0xFF, 0x7FFF, 0x8000, 0xFFFF, 0x10000};
  static bool verify(const CBigNum& bignum, const CScriptNum& scriptnum)
  