1. Update server/common/patches/httpd-suexec-scripts.patch,
   server/common/oursrc/execsys/upd-execsys, and
   server/common/oursrc/scripts-static-cat/StaticCat.hs.
2. Following the directions in the package-build-howto document, build
   new httpd, execsys, and scripts-static-cat packages, upload them to
   the repo, and deploy them to the servers.