* subversion/libsvn_wc/ugprade.c   (bump_to_29): Fail fast, i.e., before making any changes.
* subversion/libsvn_wc/ugprade.c
  (bump_to_29): Fail fast, i.e., before making any changes.

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