os: clarify that ModePerm permission bits are the Unix ones

Fixes #7075

Change-Id: I57fcebaaef768b00263b6b91211b1434f6a4b229
Reviewed-on: https://go-review.googlesource.com/8919
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>

diff --git a/src/os/types.go b/src/os/types.go
index 473d431d4d2da8d8794b196fbdac0c1d735ea82d..9d6f8e13d6f82d4e1174908c359e3b2b227a4b85 100644 (file)
--- a/src/os/types.go
+++ b/src/os/types.go
@@ -53,7 +53,7 @@ const (
        // Mask for the type bits. For regular files, none will be set.
        ModeType = ModeDir | ModeSymlink | ModeNamedPipe | ModeSocket | ModeDevice
 
-       ModePerm FileMode = 0777 // permission bits
+       ModePerm FileMode = 0777 // Unix permission bits
 )
 
 func (m FileMode) String() string {