Follow-up for r884002.
Follow-up for r884002.

* subversion/libsvn_subr/utf.c
  (fuzzy_escape): Fix a comment to denote NUL character.

Found by: Kannan R <kannanr@collab.net>
Suggested by: stsp

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