I know we're about to commit os abstraction, but this bug bugs me. This

fixes a bug I introduced with the directory_walk optimization where I
test absolute paths in a non-portable way.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79180 13f79535-47bb-0310-9956-ffa450edef68