[PATCH] Drop GNU make 3.80 compatibility

[Kevin Cernekee]

On Fri, Apr 8, 2011 at 5:34 PM, Khem Raj <raj.khem at gmail.com> wrote:
> I think it would be nice to keep it working with make 3.80 even though
> its 10 years old. Are these problems widespread ? if not then consider
> cooking up a patch :)

Done.

There is one more occurrence in the link.asneeded function (Rules.mak)
which I was not sure what to do with.  It was introduced over 2 years
ago and I have not noticed any ill effects, but I guess it should
probably be sorted out at some point since it will eventually bite
somebody.