message: Parse jar classpath correctly
  Summary: On Windows, default separation character (including in proguard rules) is `;`.
diff: @@ -853,7 +853,13 @@ void redex_frontend(ConfigFiles& conf, /* input */
  for (const auto& jar_path : args.jar_paths) {
  std::istringstream jar_stream(jar_path);
  std::string dependent_jar_path;
  - while (std::getline(jar_stream, dependent_jar_path, ':')) {
  + constexpr char kDelim =
  +#if IS_WINDOWS
  + ';';
  +#else
  + ':';
  +#endif
  + while (std::getline(jar_stream, dependent_jar_path, kDelim)) {
  TRACE(MAIN,
  2,
  "Dependent JAR specified on command-line: %s",
  