message: Fix variable shadowing in test/test_bitcoin_fuzzy.cpp
  test/test_bitcoin_fuzzy.cpp:460:34: warning: declaration shadows a local variable [-Wshadow]
  for (const auto &ft : registry_seq)
  ^
  test/test_bitcoin_fuzzy.cpp:439:15: note: previous declaration is here
  FuzzTest *ft = nullptr;
  ^
diff: @@ -457,9 +457,9 @@ int main(int argc, char **argv)
  if (testname == "list_tests")
  {
  int idx = 0;
  - for (const auto &ft : registry_seq)
  + for (const auto &ft2 : registry_seq)
  {
  - printf("%4d %s\n", idx, ft->name.c_str());
  + printf("%4d %s\n", idx, ft2->name.c_str());
  idx++;
  }
  return 0;
  