MFC revisions 1.11,1.12: Unbreak "freebsd-update rollback" applied to minor version upgrades, by being more careful about the order in which files are rolled back to their old versions.
MFC revisions 1.11,1.12: Unbreak "freebsd-update rollback" applied to
minor version upgrades, by being more careful about the order in which
files are rolled back to their old versions.

Approved by:	re (kensmith)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase