function was fixed to use the proper proxy authentication when multiple ones
were added as accepted. test 239 and test 243 were added to repeat the
problems and verify the fixes.

test 154

When cross-compiling, we do some better checking for the NI_WITHSCOPEID option instead of just assuming it is present.

more involved, but should hopefully not generate any compiler warnings on
win32 systems (that can't check the socket based on the numeric).

is no longer only present when built with SSL support.

style build

on a host with a buggy resolver that strips all but the bottom 8 bits of
each octet.  The resolved address in this case (192.0.2.127) is guaranteed
never to belong to a real host (see RFC3330).

the default options set in the Makefile

between platforms

these days...!

options used by runtests.pl during testing (useful for disabling valgrind).