Fix _path_to_apache() error reporting
https://bugs.webkit.org/show_bug.cgi?id=66486

Patch by Tom Zakrajsek <tomz@codeaurora.org> on 2011-08-19
Reviewed by Ryosuke Niwa.

* Scripts/webkitpy/layout_tests/port/webkit.py:

git-svn-id: svn://svn.chromium.org/blink/trunk@93416 bbb929c8-8fbe-4397-9dbb-9b2b20218538