* support/htcacheclean: Teach it how to write a pid file (modelled on

  * support/htcacheclean: Teach it how to write a pid file (modelled on
      httpd's writing of a pid file) so that it becomes possible to run
          more than one instance of htcacheclean on the same machine.
              Trunk patch: http://svn.apache.org/viewvc?rev=910705&view=rev
                               http://svn.apache.org/viewvc?rev=910735&view=rev
                                                http://svn.apache.org/viewvc?rev=910756&view=rev
                                                                 http://svn.apache.org/viewvc?rev=917002&view=rev
                                                                                  http://svn.apache.org/viewvc?rev=917005&view=rev
                                                                                      2.2.x patch: http://people.apache.org/~minfrin/htcacheclean-pid.patch
                                                                                          +1: minfrin, sf, trawick, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@963427 13f79535-47bb-0310-9956-ffa450edef68