message: Fix comparison error
diff: @@ -263,7 +263,7 @@ export class Manager {
  this.fileWatcher = chokidar.watch(rootFile)
  this.filesWatched.push(rootFile)
  this.fileWatcher.on('change', (filePath: string) => {
  - if (path.extname(filePath) === 'tex') {
  + if (path.extname(filePath) === '.tex') {
  this.findDependentFiles(filePath)
  }
  if (filePath === rootFile) {
  @@ -386,7 +386,7 @@ export class Manager {
  if (this.texFileTree.hasOwnProperty(rootFile) && this.texFileTree[rootFile].has(inputFilePath)) {
  continue
  }
  - if (path.extname(result[5]) === 'tex') {
  + if (path.extname(result[4]) === '.tex') {
  this.texFileTree[rootFile].add(inputFilePath)
  this.findDependentFiles(inputFilePath, rootDir)
  }
  