follow up r1601943:
Each apr_pollset_poll modified *out_pfd, so we need to copy it.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1605307 13f79535-47bb-0310-9956-ffa450edef68
event: minify local variables scope.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1605328 13f79535-47bb-0310-9956-ffa450edef68