Cleanup some "unused variable" warnings.
Cleanup some "unused variable" warnings.

Makes it easier to see what's actually wrong.

rmcgurrin/Qlab,BBN-Q/Qlab,Plourde-Research-Lab/Qlab,rmcgurrin/Qlab,Plourde-Research-Lab/Qlab,BBN-Q/Qlab,BBN-Q/Qlab,rmcgurrin/Qlab,rmcgurrin/Qlab,BBN-Q/Qlab,Plourde-Research-Lab/Qlab