Fix petsc::exportOperator()
[5cb62dc6] introduced "bool binary = false" as another optional parameter to the interface of PETScSparseMatrix::print(). It was forgotten, however, to adapt the call to print() inside petsc::exportOperator().
[5cb62dc6] introduced "bool binary = false" as another optional parameter to the interface of PETScSparseMatrix::print(). It was forgotten, however, to adapt the call to print() inside petsc::exportOperator().