From e0f2cfd81e61103d88ea215797bdde1bc19a2935 Mon Sep 17 00:00:00 2001
From: Allan Jardine <allan.jardine@sprymedia.co.uk>
Date: Tue, 31 Mar 2015 20:05:23 +0100
Subject: [PATCH] Fix: When holding shift and clicking on a single sorted
 column it was possible to attempt to remove the sort (the internal sorting
 array was `[]`). This shouldn't be possible, and now isn't.

* This fixes DataTables/DataTables #526
---
 .datatables-commit-sync           |  2 +-
 media/js/jquery.dataTables.js     |  4 ++++
 media/js/jquery.dataTables.min.js | 36 +++++++++++++++----------------
 3 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/.datatables-commit-sync b/.datatables-commit-sync
index 1d5dd820..6f54a0f8 100644
--- a/.datatables-commit-sync
+++ b/.datatables-commit-sync
@@ -1 +1 @@
-463ac99eed3a1119758bf16835febf9d8488c6fd
+b2fe50f23d5f1f68256dfd831ed82f3cc7b24b0a
diff --git a/media/js/jquery.dataTables.js b/media/js/jquery.dataTables.js
index dc2a94b7..89b6a90b 100644
--- a/media/js/jquery.dataTables.js
+++ b/media/js/jquery.dataTables.js
@@ -4732,6 +4732,10 @@
 				// Yes, modify the sort
 				nextSortIdx = next( sorting[sortIdx], true );
 	
+				if ( nextSortIdx === null && sorting.length === 1 ) {
+					nextSortIdx = 0; // can't remove sorting completely
+				}
+	
 				if ( nextSortIdx === null ) {
 					sorting.splice( sortIdx, 1 );
 				}
diff --git a/media/js/jquery.dataTables.min.js b/media/js/jquery.dataTables.min.js
index df11498e..a586d51b 100644
--- a/media/js/jquery.dataTables.min.js
+++ b/media/js/jquery.dataTables.min.js
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