Fix: IE submits a form on keypress for sort

- See thread 16841

.datatables-commit-sync

@@ -1 +1 @@
-8544842d7637d7da707b5674f4113eec345081f3
+aaa08313f1d55c268ec52d7e303ceb882b06112d

media/js/jquery.dataTables.js

@@ -4580,6 +4580,8 @@
 		var col = settings.aoColumns[ colIdx ];
 	
 		_fnBindAction( attachTo, {}, function (e) {
+			e.preventDefault();
+	
 			/* If the column is not sortable - don't to anything */
 			if ( col.bSortable === false ) {
 				return;