[src/trunk]: src/sys/sys fix inadequate parens in macro (my fault originally)

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/072c78a77291
branches:  trunk
changeset: 336333:072c78a77291
user:      dholland <dholland%NetBSD.org@localhost>
date:      Thu Feb 26 02:05:54 2015 +0000

description:
fix inadequate parens in macro (my fault originally)

diffstat:

 sys/sys/dirent.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 7d421af52f6f -r 072c78a77291 sys/sys/dirent.h
--- a/sys/sys/dirent.h  Thu Feb 26 00:58:17 2015 +0000
+++ b/sys/sys/dirent.h  Thu Feb 26 02:05:54 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dirent.h,v 1.28 2011/09/27 01:40:32 christos Exp $     */
+/*     $NetBSD: dirent.h,v 1.29 2015/02/26 02:05:54 dholland Exp $     */
 
 /*-
  * Copyright (c) 1989, 1993
@@ -91,7 +91,7 @@
  * struct dirent
  */
 #if __GNUC_PREREQ__(4, 0)
-#define        _DIRENT_NAMEOFF(dp)     __builtin_offsetof(__typeof__(*dp), d_name)
+#define        _DIRENT_NAMEOFF(dp)     __builtin_offsetof(__typeof__(*(dp)), d_name)
 #else
 #define _DIRENT_NAMEOFF(dp) \
     ((char *)(void *)&(dp)->d_name - (char *)(void *)dp)