code review 121520043: go.sys: update package names

unix/sockcmsg_unix.go

 // Copyright 2011 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // Socket control messages
 
-package syscall
+package unix
 
 import "unsafe"
 
 // Round the length of a raw sockaddr up to align it properly.
 func cmsgAlignOf(salen int) int {
         salign := sizeofPtr
         // NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels
         // still require 32-bit aligned access to network subsystem.
         if darwin64Bit || dragonfly64Bit {
                 salign = 4
@@ skipping 74 matching lines @@
         if m.Header.Type != SCM_RIGHTS {
                 return nil, EINVAL
         }
         fds := make([]int, len(m.Data)>>2)
         for i, j := 0, 0; i < len(m.Data); i += 4 {
                 fds[j] = int(*(*int32)(unsafe.Pointer(&m.Data[i])))
                 j++
         }
         return fds, nil
 }