gmsh ruled plain creation with wrong orientation

orientRuledSurface.patch

--- gmsh-3.0.2-source-orig/Geo/GModelFactory.cpp    2017-06-01 14:00:32.312450002 +0200
+++ gmsh-3.0.2-source/Geo/GModelFactory.cpp 2017-06-01 14:00:52.182585146 +0200
@@ -177,7 +177,7 @@
       int numEdge = edges[i][j]->tag();
       List_Add(temp, &numEdge);
     }
-    SortEdgesInLoop(numl, temp);
+    SortEdgesInLoop(numl, temp, true);
     EdgeLoop *l = CreateEdgeLoop(numl, temp);
     vecLoops.push_back(l);
     Tree_Add(gm->getGEOInternals()->EdgeLoops, &l);

ruledplain.cxx

#include <Gmsh.h>
#include <GModel.h>

int main(int argc, char* argv[])
{
  GmshInitialize(argc, argv);

  GModel* m { new GModel() };

  m->setFactory("Gmsh");

  GVertex* v1 { m->addVertex(0.0, 0.0, 0.0, 0.1) };
  GVertex* v2 { m->addVertex(1.0, 0.0, 0.0, 0.1) };
  GVertex* v3 { m->addVertex(1.0, 1.0, 0.0, 0.1) };
  GVertex* v4 { m->addVertex(0.0, std::cos(M_PI/6.), std::sin(M_PI/6.), 0.1) };

  std::vector<GEdge*> edges;
  edges.push_back(m->addLine(v1, v2));
  edges.push_back(m->addLine(v2, v3));
  edges.push_back(m->addLine(v4, v3));
  edges.push_back(m->addLine(v4, v1));

  std::vector<std::vector<GEdge*>> loop;
  loop.push_back(edges);
//  GFace* face = m->addPlanarFace(loop);
  std::vector<GFace*> faces = m->addRuledFaces(loop);

//  m->mesh(2);
  m->writeGEO("ruled.geo");
//  m->writeMSH("ruled.msh");

//  delete m;
  GmshFinalize();

  return 0;
}