fixed bug in matrix builder

Former-commit-id: 92d6b185e8

src/storage/SparseMatrix.cpp

@@ -83,7 +83,7 @@ namespace storm {
         }
         
         template<typename ValueType>
-        SparseMatrixBuilder<ValueType>::SparseMatrixBuilder(SparseMatrix<ValueType>&& matrix) :  initialRowCountSet(false), initialRowCount(0), initialColumnCountSet(false), initialColumnCount(0), initialEntryCountSet(false), initialEntryCount(0), forceInitialDimensions(false), hasCustomRowGrouping(matrix.nontrivialRowGrouping), initialRowGroupCountSet(false), initialRowGroupCount(0), rowGroupIndices(), columnsAndValues(std::move(matrix.columnsAndValues)), rowIndications(std::move(matrix.rowIndications)), currentEntryCount(matrix.entryCount), lastRow(matrix.rowCount - 1), lastColumn(columnsAndValues.back().getColumn()), highestColumn(matrix.getColumnCount()), currentRowGroup() {
+        SparseMatrixBuilder<ValueType>::SparseMatrixBuilder(SparseMatrix<ValueType>&& matrix) :  initialRowCountSet(false), initialRowCount(0), initialColumnCountSet(false), initialColumnCount(0), initialEntryCountSet(false), initialEntryCount(0), forceInitialDimensions(false), hasCustomRowGrouping(matrix.nontrivialRowGrouping), initialRowGroupCountSet(false), initialRowGroupCount(0), rowGroupIndices(), columnsAndValues(std::move(matrix.columnsAndValues)), rowIndications(std::move(matrix.rowIndications)), currentEntryCount(matrix.entryCount), lastRow(matrix.rowCount - 1), lastColumn(columnsAndValues.back().getColumn()), highestColumn(matrix.getColumnCount() - 1), currentRowGroup() {
             
             // If the matrix has a custom row grouping, we move it and remove the last element to make it 'open' again.
             if (hasCustomRowGrouping) {