message: Use char instead of string when string-searching for a single char
diff: @@ -17,7 +17,7 @@ namespace vcpkg::Commands::Hash
  std::string const& output = ec_data.output;
  - const auto start = output.find_first_of(" ");
  + const auto start = output.find_first_of(' ');
  Checks::check_exit(
  VCPKG_LINE_INFO, start != std::string::npos, "Unexpected output format from command: %s", cmd_line);
  