Update BuildingShapeUtils.js

Author: Beakerboy

src/extras/BuildingShapeUtils.js

@@ -88,9 +88,15 @@ class BuildingShapeUtils extends ShapeUtils {
           } else if (way1[0].getAttribute('ref') === way2[0].getAttribute('ref')) {
             const tempway = BuildingShapeUtils.reverseWay(ways[i]);
             const result = BuildingShapeUtils.joinWays(tempway, ways[i + 1]);
+            openWays.push(result);
+            i++;
+            changed = true;
           } else if (way1[way1.length - 1].getAttribute('ref') === way2[way2.length - 1].getAttribute('ref')) {
             const tempway = BuildingShapeUtils.reverseWay(ways[i + 1]);
             const result = BuildingShapeUtils.joinWays(ways[i], tempway);
+            openWays.push(result);
+            i++;
+            changed = true;
           } else {
             openWays.push(ways[i]);
           }