Mingw, Mingw-w64 and MSVC support towlower

This breaks cross-compilation with any prefix other than /usr

This reverts commit 2356c0dd.

They should work fine, but I can't test them from here...

The .c file is not yet removed to help transition to lua scripts.

This should fix FHS conformance for .luac files

We can now store other architecture-dependant files in $(pkglibdir)
(and without bugging the plugins scan).

It has a too permissive detection code to have a high priority.

Signed-off-by: Jean-Philippe André <jpeg@videolan.org>

Signed-off-by: Jean-Philippe André <jpeg@videolan.org>

Signed-off-by: Jean-Philippe André <jpeg@videolan.org>

I think it works better thisway, but you're free to change it if you think
otherwise.

This runs with a timer of its own. It's best to wait for the process
that do a fork bomb, if it ever takes a long.

This partially fixes multiple media players in LibVLC. This also
removes a few run-away var_Create() in doVolumeChanges().