Updated charted DEP to 0.4.X

packages/charted/lib/locale/format/number_format.dart

 /*
  * Copyright 2014 Google Inc. All rights reserved.
  *
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file or at
  * https://developers.google.com/open-source/licenses/bsd
  */
 part of charted.locale.format;
 
 /**
@@ skipping 168 matching lines @@
       var i = value.lastIndexOf('.'),
           before = i < 0 ? value : value.substring(0, i),
           after = i < 0 ? '' : localeDecimal + value.substring(i + 1);
 
       // If the fill character is not '0', grouping is applied before
       //padding.
       if (zfill == null && comma) {
         before = formatGroup(before);
       }
 
-      var length = prefix.length +
-              before.length +
-              after.length +
-              (zcomma ? 0 : negative.length),
-          padding = length < width
-              ? new List.filled((length = width - length + 1), '').join(fill)
-              : '';
+      int length = prefix.length +
+          before.length +
+          after.length +
+          (zcomma ? 0 : negative.length);
+      var padding = length < width
+          ? new List.filled((length = width - length + 1), '').join(fill)
+          : '';
 
       // If the fill character is '0', grouping is applied after padding.
       if (zcomma) {
         before = formatGroup(padding + before);
       }
 
       // Apply prefix.
       negative += prefix;
 
       // Rejoin integer and decimal parts.
@@ skipping 33 matching lines @@
       case 'e':
         return (num x, [int p = 0]) => x.toStringAsExponential(p);
       case 'f':
         return (num x, [int p = 0]) => x.toStringAsFixed(p);
       case 'r':
       default:
         return (num x, [int p = 0]) => x.toString();
     }
   }
 }