a8e62f88683146e4bad8b9550c85c772795a007a Fix: aria-sort attribute w…

…ould not be added to the table if multi-column ordering and the first column to be ordered upon was hidden.

https://datatables.net/forums/discussion/79327/
DD-2983

Sync to source repo @a8e62f88683146e4bad8b9550c85c772795a007a

datatables.json

@@ -14,5 +14,5 @@
     ],
     "src-repo": "http://github.com/DataTables/DataTablesSrc",
     "last-tag": "2.0.8",
-    "last-sync": "b2100fd2bb86cc5b5fc9ab88cd1d256e17f194e4"
+    "last-sync": "a8e62f88683146e4bad8b9550c85c772795a007a"
 }