Cppcheck clean 3745

The command

    cppcheck . -i libmesh -i framework/contrib/ 2> ../cppcheck_errors_clean.txt; 
    echo ""; cat ../cppcheck_errors_clean.txt

will now show that Moose is cppcheck clean.
cd libmesh and git co 0623b4831 to undo this, then amend and force push your branch.