Fix problem with auth-source.el in Tramp
* lisp/net/tramp.el (tramp-read-passwd): Use `tramp-compat-temporary-file-directory'. (Bug#39389, Bug#39489)
* lisp/net/tramp.el (tramp-read-passwd): Use `tramp-compat-temporary-file-directory'. (Bug#39389, Bug#39489)