Update GRANDPARENTED text to match the contents of tzdata/factory r19879. This eliminates "warning: time zone abbreviation differs from POSIX" on installworld to an empty filesystem.
Update GRANDPARENTED text to match the contents of tzdata/factory r19879.
This eliminates "warning: time zone abbreviation differs from POSIX" on
installworld to an empty filesystem.

Reviewed by:	edwin
MFC after:	1 week

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