From 14094735473a6af330c3315a1aa497d42731cf5b Mon Sep 17 00:00:00 2001
From: Casey Marshall <cmars@cmarstech.com>
Date: Sun, 13 Jul 2014 03:14:27 -0500
Subject: Fixed cast for 32-bit windows.

---
 bolt_windows.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bolt_windows.go b/bolt_windows.go
index fc77968..6b6e419 100644
--- a/bolt_windows.go
+++ b/bolt_windows.go
@@ -35,7 +35,7 @@ func mmap(db *DB, sz int) error {
 
 	// Open a file mapping handle.
 	sizelo := uint32(sz >> 32)
-	sizehi := uint32(sz & 0xffffffff)
+	sizehi := uint32(sz) & 0xffffffff
 	h, errno := syscall.CreateFileMapping(syscall.Handle(db.file.Fd()), nil, syscall.PAGE_READONLY, sizelo, sizehi, nil)
 	if h == 0 {
 		return os.NewSyscallError("CreateFileMapping", errno)
-- 
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