message: [FileSystem] Change FileSpec constructor signature (2/2)
  Fix breakage due to the recent FileSpec change that extracts the path
  resultion logic into FileSystem for the FreeBSD host.
diff: @@ -75,11 +75,9 @@ GetFreeBSDProcessArgs(const ProcessInstanceInfoMatch *match_info_ptr,
  size_t pathname_len = sizeof(pathname);
  mib[2] = KERN_PROC_PATHNAME;
  if (::sysctl(mib, 4, pathname, &pathname_len, NULL, 0) == 0)
  - process_info.GetExecutableFile().SetFile(pathname, false,
  - FileSpec::Style::native);
  + process_info.GetExecutableFile().SetFile(pathname, FileSpec::Style::native);
  else
  - process_info.GetExecutableFile().SetFile(cstr, false,
  - FileSpec::Style::native);
  + process_info.GetExecutableFile().SetFile(cstr, FileSpec::Style::native);
  if (!(match_info_ptr == NULL ||
  NameMatches(process_info.GetExecutableFile().GetFilename().GetCString(),
  