test for type of stack first so that we can find the libraries that we
might have to link the test program against. not linking the test
program means we don't know if the right stuff is in the libraries.
also cosmetic changes to make sure we print the checking for... nicely
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7694 ec53bebd-3082-4978-b11e-865c3cabbd6b
make sure we have `in6addr_any' which we use in the code. This test
avoids false positives on OpenBSD
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7659 ec53bebd-3082-4978-b11e-865c3cabbd6b