Change default FileETag to be "size mtime", i.e. remove the inode. Adjust the

etag generation in mod_dav_fs to the new default.

PR 49623.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1199086 13f79535-47bb-0310-9956-ffa450edef68