Re: Fix weird _SC_OPEN_MAX usage

[Paul Eggert]

Jonas 'Sortie' Termansen wrote:
> This is non-portable to new systems that doesn't have the non-standard
> getdtablesize() function, but implements the standard sysconf value.

That shouldn't be a problem, since the modules in question all depend on 
the getdtablesize module, which should supply the getdtablesize function 
on platforms that lack it.  I expect the code is written in that strange 
way to minimize differences from glibc's implementation.