message: Fix typo in _onActiveTextEditorChange
diff: @@ -29,7 +29,7 @@ class FileOpenCloseProvider implements IDisposable {
  this._disposable = new CompositeDisposable(this._diagnostics,
  vscode.workspace.onDidOpenTextDocument(this._onDocumentOpen, this),
  vscode.workspace.onDidCloseTextDocument(this._onDocumentClose, this),
  - vscode.window.onDidChangeActiveTextEditor(this._onActiveTextEditorChnage, this)
  + vscode.window.onDidChangeActiveTextEditor(this._onActiveTextEditorChange, this)
  );
  }
  @@ -49,7 +49,7 @@ class FileOpenCloseProvider implements IDisposable {
  await serverUtils.fileClose(this._server, { FileName: e.fileName });
  }
  - private async _onActiveTextEditorChnage(e: vscode.TextEditor) {
  + private async _onActiveTextEditorChange(e: vscode.TextEditor) {
  if (shouldIgnoreDocument(e.document)) {
  return;
  }
  