Fix segmentation violation that sometimes occurred when warning symbols were used.
Fix segmentation violation that sometimes occurred when warning
symbols were used.

PR:		bin/7980
Submitted by:	Doug Rabson <dfr>

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