message: Fix bug Problem with CMake:Execute current target without debugger
  Commandline shellPath with slash does not work, it needs a backslash.
diff: @@ -1086,7 +1086,7 @@ export class CMakeTools implements vscode.Disposable, api.CMakeToolsAPI {
  };
  if (process.platform == 'win32') {
  // Use cmd.exe on Windows
  - termOptions.shellPath = 'C:/Windows/System32/cmd.exe';
  + termOptions.shellPath = 'C:\\Windows\\System32\\cmd.exe';
  }
  if (!this._launchTerminal)
  this._launchTerminal = vscode.window.createTerminal(termOptions);
  