Make code slightly more safe.
Make code slightly more safe.

* subversion/libsvn_diff/diff_file.c
  (svn_diff_file_options_parse): Use APR array instead of apr_palloc() and
   memcpy().


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1706565 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion