fix legend for bar array marker line width

Author: etpinard

src/components/legend/style.js

@@ -171,9 +171,9 @@ function styleBars(d) {
         .attr('transform', 'translate(20,0)');
     barpath.exit().remove();
     barpath.each(function(d) {
-        var w = (d.mlw + 1 || markerLine.width + 1) - 1,
-            p = d3.select(this),
-            d0 = d[0];
+        var p = d3.select(this),
+            d0 = d[0],
+            w = (d0.mlw + 1 || markerLine.width + 1) - 1;
 
         p.style('stroke-width', w + 'px')
             .call(Color.fill, d0.mc || marker.color);

test/image/baselines/bar_marker_array.png

@@ -19,7 +19,15 @@
           "#447adb",
           "#db5a44",
           "#447adb"
-        ]
+        ],
+        "line": {
+          "width": [
+            2,
+            3,
+            2,
+            3
+          ]
+        }
       },
       "type": "bar"
     }