[patch] HAVE_LC_MESSAGES for natSystem.cc

[Tom Tromey]

>>>>> "Andreas" == Andreas Tobler <toa@pop.agri.ch> writes:

>> Here's the patch I came up with.  Unfortunately this will have the
>> effect of assuming the en_US locale on Darwin.  Any better
>> suggestions?

Andreas> At least it compiles, I can't test since I don't understand
Andreas> the testsuite yet.

The test suite won't test this patch.
The real question here is how we should choose the default locale on
systems that have setlocale() but not LC_MESSAGES.

I'm going to check in the patch.
We can always refine it later.

Tom