* modules/ssl/ssl_engine_kernel.c (ssl_hook_UserCheck): Check username

  does not contain a colon before constructing Authorization header
  for FakeBasicAuth mode. (Also constify 'user' variable.)

PR: 52644


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1815592 13f79535-47bb-0310-9956-ffa450edef68