Fixed typo
Fixed typo

By mistake, CONTRIBUTING.md stated that Longaccess is the copyright holder for GNU Emacs (!). Obviously, we are not, LONG ACCESS Private Company is the copyright holder for Longaccess.

Changed "The Longacces Company" to "LONG ACCESS Private Company"
longaccess/longaccess-client,longaccess/longaccess-client,longaccess/longaccess-client