During the format 13 upgrade, we're going to simply forget anything stored in the 'dav_cache' column. During format 12, the wcprops might be in files, or maybe in that column... it's unknown.
During the format 13 upgrade, we're going to simply forget anything stored
in the 'dav_cache' column. During format 12, the wcprops might be in
files, or maybe in that column... it's unknown.

* subversion/libsvn_wc/wc-metadata.sql:
  (format 13): clear 'dav_cache' when upgrading.

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