update exfat to latest commits for io issues
diff --git a/exfat/libexfat/byteorder.h b/exfat/libexfat/byteorder.h
index 6792f37..10746e1 100644
--- a/exfat/libexfat/byteorder.h
+++ b/exfat/libexfat/byteorder.h
@@ -2,11 +2,12 @@
 	byteorder.h (12.01.10)
 	Endianness stuff. exFAT uses little-endian byte order.
 
+	Free exFAT implementation.
 	Copyright (C) 2010-2013  Andrew Nayenko
 
-	This program is free software: you can redistribute it and/or modify
+	This program is free software; you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
+	the Free Software Foundation, either version 2 of the License, or
 	(at your option) any later version.
 
 	This program is distributed in the hope that it will be useful,
@@ -14,8 +15,9 @@
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 	GNU General Public License for more details.
 
-	You should have received a copy of the GNU General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+	You should have received a copy of the GNU General Public License along
+	with this program; if not, write to the Free Software Foundation, Inc.,
+	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #ifndef BYTEORDER_H_INCLUDED
@@ -78,7 +80,6 @@
 #error No byte order macros available for your platform
 #endif
 
-#define __BYTE_ORDER __LITTLE_ENDIAN
 typedef struct { uint16_t __u16; } le16_t;
 typedef struct { uint32_t __u32; } le32_t;
 typedef struct { uint64_t __u64; } le64_t;