Fix memory leak on error

src/Evaluator/BinaryEvaluation.cpp

@@ -23,6 +23,8 @@ NumericEvalValue* Evaluator::EvaluateIntegerBinary(BoundBinaryExpression *expres
             result = leftValue -> operator/ (rightValue);
             break;
         default:
+            delete leftValue;
+            delete rightValue;
             throw EvaluationException("Can't evaluate operation to numeric");
     }
     delete leftValue;