Similar to pl_Get

Note that this only works if the path can be represented in the ANSI
code page. Otherwise, you will need to patch gettext.

Timeout makes it too easy to write crappy code.
It's also much easier to handle EINTR without timeout.

This fixes a minor bug: revents was undefined if poll() failed.

Do not read revents in case of error.
Do not busy loop if POLLERR or POLLHUP get set.

Close #2052, #4039, #4390, #2796
Apparently Goom developers don't understand SIMD registers...

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

includes a fix to correctly link libmpcdec and latest contrib updates

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>