Bring file_io up to the new parameter order for APR. I have decided to do

these on a directory by directory basis for the rest of APR.  I hope to
cause fewer problems for other developers by doing it this way.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83937 13f79535-47bb-0310-9956-ffa450edef68