Update c3.js and c3.min.js

c3.js

@@ -3316,6 +3316,7 @@
             lineIndices = $$.getShapeIndices($$.isLineType),
             getPoints = $$.generateGetLinePoints(lineIndices);
             $$.circleY = function (d, i) {
+                d = $$.updateValues(d)[i];
                 return getPoints(d, i)[0][1];
             };
         } else {