--- origin/boost/asio/impl/read_until.hpp	Fri Feb 28 08:58:51 2014
+++ patched/boost/asio/impl/read_until.hpp	Fri Feb 28 09:00:00 2014
@@ -410,7 +410,7 @@
           }
 
           // Check if we're done.
-          if (!start && bytes_to_read == 0)
+          if (bytes_to_read == 0)
             break;
 
           // Start a new asynchronous read operation to obtain more data.