Add /lib and /libexec to the list of directories that have the schg flag removed prior to an upgrade.
Add /lib and /libexec to the list of directories that have the schg
flag removed prior to an upgrade.

Approved by:	ru (mentor)
MFC after:	4 days

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