message: test: fix message for ECC_InitSanityCheck test
  OpenSSL is long gone.
diff: @@ -14,7 +14,7 @@ BOOST_AUTO_TEST_CASE(basic_sanity)
  {
  BOOST_CHECK_MESSAGE(glibc_sanity_test() == true, "libc sanity test");
  BOOST_CHECK_MESSAGE(glibcxx_sanity_test() == true, "stdlib sanity test");
  - BOOST_CHECK_MESSAGE(ECC_InitSanityCheck() == true, "openssl ECC test");
  + BOOST_CHECK_MESSAGE(ECC_InitSanityCheck() == true, "secp256k1 sanity test");
  }
  BOOST_AUTO_TEST_SUITE_END()
  