Make sure the compiler returns an error status when a function argument count is wrong
Make sure the compiler returns an error status when a function argument count is wrong

xlc doesn't do that by default, it breaks sched_setaffinity() detection.

Thanks to Paul H. Hargrove for providing a patch.

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@4275 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc