Fixed copying of N_TXTADDR() from the system version in the previous revision.  N_TXTADDR() was 0x20 too high in the usual case.
Fixed copying of N_TXTADDR() from the system version in the previous
revision.  N_TXTADDR() was 0x20 too high in the usual case.

Reported by:	luoqi@watermarkgroup.com (Luoqi Chen)

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