Commit built files

c3.js

@@ -8694,6 +8694,7 @@
                     case 'top':
                     case 'bottom':
                         rectPositionFn = function(rect, d) {
+                            if(!rect) return;
                             rect.x = scale1(d);
                             rect.y = 0;
                         }
@@ -8701,6 +8702,7 @@
                     case 'left':
                     case 'right':
                         rectPositionFn = function(rect, d) {
+                            if(!rect) return;
                             rect.x = 0;
                             rect.y = scale1(d);
                         }