HAVE_SETENV should NOT be set for Solaris

list Richard Hamilton
Mon, 28 Mar 2016 12:00:39 -0400
Message-Id: <user-7ceadeded3f8@xymon.invalid>

I should have probably mentioned this before; but at least older Solaris
(e.g. Solaris 9) does NOT have setenv(); but for some reason,
configure.client thinks it does.  Typically once this reminds me, I just
edit include/config.h to fix that, remove the .o files, and try again. :-)