Mre link.exe more robustess.
Mre link.exe more robustess.

In particular, pay attention to the special characters in the input.
The goal is to have the Libtool test suite pass in our environment...

	* msvc/link.exe (run): Use eval.
	(handle_lib): Rewrite using "case", of course.
	(systemlibs): Make it on one line.
	(append): New.
	Use it.
	(get_options): New.
	Use it.
	Pays attention to spaces etc.
	Pay also attention to propagating the exit status and to dump the
	errors (which are on stdout...) before dying.

aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport