Use path-separator with -L, rather than just :

Use path-separator with -L, rather than just :

* lisp/startup.el (command-line-1): Use path-separator with -L.

* test/automated/Makefile.in (PATH_SEPARATOR): New, set by configure.
(EMACSOPT): Use PATH_SEPARATOR.

* doc/emacs/cmdargs.texi (Action Arguments): Use path-separator with -L.

* etc/NEWS: Related edit.