We use gmt2local code from tcpdump and gnuc.h is no longer being used there, so remove this dummy header.
We use gmt2local code from tcpdump and gnuc.h is no longer being used
there, so remove this dummy header.

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