message: adjust for SVN r345800
diff: @@ -2199,17 +2199,17 @@ static bool SDKSupportsSwift(const FileSpec &sdk_path, SDKType desired_type) {
  return false;
  }
  -FileSpec::EnumerateDirectoryResult
  +FileSystem::EnumerateDirectoryResult
  DirectoryEnumerator(void *baton, llvm::sys::fs::file_type file_type,
  - const FileSpec &spec) {
  + StringRef path) {
  SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(baton);
  -
  + const FileSpec spec(path);
  if (SDKSupportsSwift(spec, enumerator_info->sdk_type)) {
  enumerator_info->found_path = spec;
  - return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
  + return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
  }
  - return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
  + return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
  };
  static ConstString EnumerateSDKsForVersion(FileSpec sdks_spec, SDKType sdk_type,
  @@ -2228,8 +2228,10 @@ static ConstString EnumerateSDKsForVersion(FileSpec sdks_spec, SDKType sdk_type,
  enumerator_info.least_major = least_major;
  enumerator_info.least_minor = least_minor;
  - FileSpec::EnumerateDirectory(sdks_spec.GetPath().c_str(), find_directories,
  - find_files, find_other, DirectoryEnumerator,
  + FileSystem::Instance().EnumerateDirectory(sdks_spec.GetPath().c_str(),
  + find_directories,
  + find_files, find_other,
  + DirectoryEnumerator,
  &enumerator_info);
  if (IsDirectory(enumerator_info.found_path))
  