Untested doxygen fix.
Untested doxygen fix.

* subversion/include/svn_diff.h
  (svn_hunk_t):  Fix doxygen formatting.

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