SunOS4 is missing memmove

[Alexandre Oliva]

On Jul 20, 1999, Alexandre Oliva <oliva@dcc.unicamp.br> wrote:

> I haven't completed the build on StunOS4 yet (it's stunningly slow
> :-), but I'll let you know if this patch is not enough.

Duh!  I didn't expect to have to reply so fast!  :-)

The patch was completely bogus.  I thought I was just removing the
test for memmove, but I ended up removing the check for its existence
too.  Here's a revised patch: