PBQP/Graph: dereference the node iterator when dumping the graph structure in DOT format

[Arnaud_A_de_Grandmai]

Hi Lang,

In order to dump the graph structure in DOT format, it seems necessary to derefence the node iterator, to at least get the node id.

Cheers,

0001-PBQP-Graph-dereference-the-node-iterator-when-dumpin.patch (1.02 KB)