Fix the character encoding of the default diff header that is currently used by the "diff-full (df)" option of interactive resolving (but not by "svn diff"). This previously errored out in locales such as zh_CN.GBK.
Fix the character encoding of the default diff header that is currently used
by the "diff-full (df)" option of interactive resolving (but not by "svn
diff"). This previously errored out in locales such as zh_CN.GBK.

Patch by: Rock Sun <daijun@gmail.com>

* subversion/libsvn_diff/diff_file.c
  (output_unified_default_hdr): UTF-8-encode the date string from APR before
    using it as UTF-8.

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