when reparamOnFace fails, try to find the closest point before resorting to...

when reparamOnFace fails, try to find the closest point before resorting to simply using the linear interpolation

Mesh/HighOrder.cpp

@@ -344,6 +344,10 @@ static void getFaceVertices(GFace *gf, MElement *incomplete, MElement *ele,
             }
           }
           else{
+            GPoint gp = gf->closestPoint(SPoint3(X, Y, Z), GUESS);
+            if(gp.succeeded())
+              v = new MVertex(gp.x(), gp.y(), gp.z(), gf);
+            else
               v = new MVertex(X, Y, Z, gf);
           }
         }