missing iterator advance

diff --git a/libs/canvas/poly_item.cc b/libs/canvas/poly_item.cc
index eeb186fd7fcf556bcd901ef7f2ac7c6542d5f400..d50b456fc6f34cccf2db3f4b55d19c722271ad1d 100644 (file)
--- a/libs/canvas/poly_item.cc
+++ b/libs/canvas/poly_item.cc
@@ -45,7 +45,9 @@ PolyItem::compute_bounding_box () const
                
                bbox.x0 = bbox.x1 = i->x;
                bbox.y0 = bbox.y1 = i->y;
-               
+
+               ++i;
+
                while (i != _points.end()) {
                        bbox.x0 = min (bbox.x0, i->x);
                        bbox.y0 = min (bbox.y0, i->y);