Also print units in header if no conversion is performed

tools/dcdbquery/query.cpp

@@ -98,6 +98,8 @@ void DCDBQuery::genOutput(std::list<DCDB::SensorDataStoreReading> &results, quer
 	}
 	if(it->second.unit != DCDB::Unit_None) {
 	    std::cout << " (" << DCDB::UnitConv::toString(it->second.unit) << ")";
+	} else if (baseUnit != DCDB::Unit_None) {
+	    std::cout << " (" << DCDB::UnitConv::toString(baseUnit) << ")";
 	}
     }
     std::cout << std::endl;