Allow downstream caches to cache our versioned resources.
Allow downstream caches to cache our versioned resources.

* subversion/mod_dav_svn/repos.c
  (set_headers): Uncomment caching block and allow versioned regular
  non-collections to be cached.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion