* modules/proxy/ajp_header.c (sc_for_req_header): Zero-initialize

  buffer to avoid potential (harmless) memcmp comparison against
  garbage stack data later.  (clang warning).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1842881 13f79535-47bb-0310-9956-ffa450edef68