svnmucc: Handle conversion of line endings to normalized form with -F.

* subversion/svnmucc/svnmucc.c
  (sanitize_log_sources): Don't just convert to UTF8, also translate
    line endings.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1592148 13f79535-47bb-0310-9956-ffa450edef68