* modules/ssl/ssl_private.h: Drop some redundant/unused macros; pick

  up stdlib.h.

* modules/ssl/ssl_engine_pphrase.c (ssl_pphrase_Handle),
  modules/ssl/ssl_engine_vars.c: Stop pretending mod_ssl has a version
  independent of the rest of the server.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1082202 13f79535-47bb-0310-9956-ffa450edef68