Merge r632730, r633791 from trunk:

mod_rewrite: Check all files used by DBM maps for freshness, mod_rewrite
didn't pick up on updated sdbm maps due to this.
PR41190 [Niklas Edmundsson]

NOTE: Only tested on httpd-2.2.8.



* Add checkfile2 at the end of the struct and not in the middle of the struct.

Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@633885 13f79535-47bb-0310-9956-ffa450edef68