* mod_ssl: Rewrite of shmcb to avoid memory alignment issues.

      PR: 42101 - also now reported with i386/gcc 4.2
      Trunk version of patch:
        http://svn.apache.org/viewcvs.cgi?rev=399291&view=rev
        http://svn.apache.org/viewcvs.cgi?rev=630228&view=rev
      Backport version for 2.2.x of patch:
        http://people.apache.org/~jorton/mod_ssl-shmcb-rewrite.patch
      +1: jorton, mturk, rpluem



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@686398 13f79535-47bb-0310-9956-ffa450edef68