os: work around inlining bug (issue 2678)
TBR=lvd
CC=golang-dev
https://golang.org/cl/5534070
diff --git a/src/pkg/os/file_windows.go b/src/pkg/os/file_windows.go
index 4bf9c26..92f03c4 100644
--- a/src/pkg/os/file_windows.go
+++ b/src/pkg/os/file_windows.go
@@ -55,7 +55,7 @@
const DevNull = "NUL"
-func (file *file) isdir() bool { return file != nil && file.dirinfo != nil }
+func (f *file) isdir() bool { return f != nil && f.dirinfo != nil }
func openFile(name string, flag int, perm uint32) (file *File, err error) {
r, e := syscall.Open(name, flag|syscall.O_CLOEXEC, perm)
