XLC/AIX build warnings

[ompiteam]

Reported by Mathieu Faverge.

Summary of warnings:

{{{
"lstopo-text.c", line 292.12: 1506-077 (E) The wchar_t value 0x250c is not valid.

• Just a warning that it won't work in a non-UTF-8 locale. We check that at runtime indeed so not a problem.
  }}}

[ompiteam]

Imported from trac issue 8. Created by bgoglin on 2009-09-25T02:09:27, last modified: 2012-12-22T03:29:44

[ompiteam]

Trac comment by sthibaul on 2010-01-04 12:25:11:

The hwloc_debug warnings have been fixed by r1488, the remainder can't really be fixed and doesn't harm.