[AC21.4] Have call-process with non-ASCII dir work (with test case).

Okay, Vin, here’s your regression test. Not perfectly portable, but should be enough. Hope this helps, Aidan Ar an dara lá déag de mí Aibréan, scríobh Vin Shelton: > QUERY > > Aidan, > > Thanks - this compiles for me on Linux for optimized, debug and Mule > builds, and your test case works for Mule; can you please generate an > actual regression test? Didn't the problem manifest itself with > non-Mule builds, too? > > I will try this on the Solaris machines at work. src/ChangeLog addition: 2005-05-10 Aidan Kehoe <kehoea(a)parhasard.net&gt; * callproc.c: #include sysdir.h, so that any appropriate Mule magic happens with the chdir() call when calling a subprocess. tests/ChangeLog addition: 2005-05-10 Aidan Kehoe <kehoea(a)parhasard.net&gt; * automated/mule-tests.el: Test that starting a process in a non-Latin-1 directory preserves the current directory, which it didn't, previous to 21.4.17