FIX Small linter errors
FIX Small linter errors

caiothomas/iotagent-node-lib,telefonicaid/iotagent-node-lib,telefonicaid/iotagent-node-lib,caiothomas/iotagent-node-lib,telefonicaid/iotagent-node-lib,caiothomas/iotagent-node-lib