Fixing small error

analytics/operators/persystsql/PerSystSqlOperator.cpp

@@ -218,6 +218,7 @@ double PerSystSqlOperator::computeSeverityAverage(std::vector<double> & buffer){
 			for(auto val: buffer){
 				severities.push_back(severity_noformula());
 			}
+		break;
 		default:
 			return 0.0;
 			break;