* modules/mappers/mod_rewrite.c (do_rewritelog): Add prototype with

  printf attribute flagged so that gcc -Wformat-security will pick
  up PR 46110-type errors as a warning.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@708655 13f79535-47bb-0310-9956-ffa450edef68