Fix #277

This was a regression introduced in cb37594,
when we attempted to speed up path rendering

Author: tferr

src/main/java/sc/fiji/snt/Path.java

@@ -2033,6 +2033,7 @@ public void drawPathAsPoints(final TracerCanvas canvas, final Graphics2D g2,
                 jointNode.setType(PathNodeCanvas.JOINT);
                 jointNode.draw(g2, c);
                 currentNode.setType(PathNodeCanvas.SLAB);
+				currentNode.drawConnection(g2, previousNode);
             }
         }
     }