e86bdad18a2ae35115ee8369bcde9023ad616b35 Fix: Date rendering would al…

…ways set the properties of the data type, even if already added.

Sync to source repo @e86bdad18a2ae35115ee8369bcde9023ad616b35

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/DataTablesSrc",
     "last-tag": "2.1.7",
-    "last-sync": "0b07375e57ac56dd2ce582641115169eccd6340d"
+    "last-sync": "e86bdad18a2ae35115ee8369bcde9023ad616b35"
 }