Merge branch 'fix_warning' into 'master'

Fix sequence point violation in test code

See merge request integer/papilo!345

test/papilo/presolve/ParallelRowDetectionTest.cpp

@@ -1214,7 +1214,7 @@ setupProblemParallelRowWithMixed( bool firstRowEquation, double lhsIneq,
    pb.setColNameAll( columnNames );
    pb.setProblemName( "matrix with parallel inequalities (0 and 2)" );
    Problem<double> problem = pb.build();
-   int i = firstRowEquation ? i = 0 : i = 2;
+   int i = firstRowEquation ? 0 : 2;
    problem.getConstraintMatrix().modifyLeftHandSide( i, num, rhs[i] );
    return problem;
 }