Allow "local" filenames. e.g.
authoraland <aland>
Mon, 22 Oct 2007 13:05:04 +0000 (13:05 +0000)
committeraland <aland>
Mon, 22 Oct 2007 13:05:04 +0000 (13:05 +0000)
commit2d2b1e48eb5f10f64bdc54c3f33eae6f341c215f
treeef6b2ddf42a3e6878853ea7f10e3e3f4e08b2f73
parentf1a7f64b9130e4d109660a109053922c0b71441d
Allow "local" filenames.  e.g.

$INCLUDE foo.conf

is relative to the file that started all of this off.  This
change should remove much of the "$INCLUDE ${confdir}/foo",
and make it "$INCLUDE foo", which is more robust in light
of "-d radius_dir" not entirely working...
src/main/conffile.c