Merge pull request #227 from plotly/issue176

fix issue #176

Author: harshpurwar

plotly/plotlyfig_aux/handlegraphics/updateScatter.m

@@ -173,10 +173,10 @@ function updateScatter(obj,scatterIndex)
     if length(scatter_data) > 1
         obj.data{scatterIndex}.marker.line.color{m} = childmarker.line.color{1};
     else
-        if iscell(childmarker.line.color)
-            obj.data{scatterIndex}.marker.line.color = childmarker.line.color{1};
-        else
+        if length(childmarker.line.color) > 3
             obj.data{scatterIndex}.marker.line.color = childmarker.line.color;
+        else
+            obj.data{scatterIndex}.marker.line.color = childmarker.line.color{1};
         end
     end