Merge pull request #12333 from valorin/5.1

[5.1] Handle InnoDB Deadlocks By Re-Attempting Transactions

src/Illuminate/Database/DetectsLostConnections.php

@@ -25,6 +25,7 @@ protected function causedByLostConnection(Exception $e)
             'Error while sending',
             'decryption failed or bad record mac',
             'SSL connection has been closed unexpectedly',
+            'Deadlock found when trying to get lock',
         ]);
     }
 }