message: Fix Synctex to the already opened tex file when using symlinks.
  The fix only applies when not using synctexjs.
diff: @@ -87,6 +87,16 @@ export class Locator {
  record[key] = value
  }
  if (record.input !== undefined && record.line !== undefined && record.column !== undefined) {
  + // kpathsea/SyncTeX follow symlinks.
  + // see http://tex.stackexchange.com/questions/25578/why-is-synctex-in-tl-2011-so-fussy-about-filenames.
  + // We compare the return of symlink with the files list in the texFileTree and try to pickup the correct one.
  + Object.keys(this.extension.manager.texFileTree).some(ed => {
  + if (fs.realpathSync(record.input as string) === fs.realpathSync(ed)) {
  + record.input = ed
  + return true
  + }
  + return false
  + })
  return { input: record.input, line: record.line, column: record.column }
  } else {
  throw(new Error('parse error when parsing the result of synctex backward.'))
  