[PATCH:twm] Remove unused fallback implementation of putenv()

[Alan Coopersmith]

On 05/10/11 01:04 AM, Mark Kettenis wrote:
>> From: Alan Coopersmith <alan.coopersmith at oracle.com>
>> Date: Mon,  9 May 2011 22:51:36 -0700
>>
>> NOPUTENV was never defined in a modular build, probably because putenv()
>> is a standard function in Unix98 / SUSv2.
> 
> Much older than that.  Looks like it first appeared in SVR2 and
> 4.3BSD-Reno.  That should mean that everything that's even remotely
> UNIX these days should have it.

Thanks - SUSv2 was the earliest standard I could find online quickly, though
I did find man pages referencing it appearing in older BSD versions & SVID,
they weren't specific about versions.

-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System