code review 180049: 1) Change default gofmt default settings for

src/pkg/os/sys_darwin.go

 // Copyright 2009 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.
 
 // Darwin-specific
 
 package os
 
 import "syscall"
 
 func Hostname() (name string, err Error) {
-        var errno int;
-        name, errno = syscall.Sysctl("kern.hostname");
+        var errno int
+        name, errno = syscall.Sysctl("kern.hostname")
         if errno != 0 {
                 return "", NewSyscallError("sysctl kern.hostname", errno)
         }
-        return name, nil;
+        return name, nil
 }