server/log.c (log_error_core): For APLOG_DEBUG on Unix, if __FILE__

is an absolute path (as in a VPATH build), just log the basename.

Submitted by: jorton
Backport: r105258
Reviewed by: wrowe, trawick, rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@570530 13f79535-47bb-0310-9956-ffa450edef68