Garbage collect a variable which is assigned a value once but otherwise is never used.
Garbage collect a variable which is assigned a value once but otherwise
is never used.

Found by:	LLVM/Clang Static Analyzer

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