[tz] [PROPOSED 2/2] Minor gettext macro improvements

[Paul Eggert via tz]

* private.h (_) [!HAVE_GETTEXT]: Parenthesize result,
for compatibility with the HAVE_GETTEXT case.
(N_): New macro, useful in later patches.
---
 private.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/private.h b/private.h
index 2008660d..2563ed7c 100644
--- a/private.h
+++ b/private.h
@@ -1068,8 +1068,9 @@ time_t timeoff(struct tm *, long);
 #if HAVE_GETTEXT
 # define _(msgid) gettext(msgid)
 #else /* !HAVE_GETTEXT */
-# define _(msgid) msgid
+# define _(msgid) (msgid)
 #endif /* !HAVE_GETTEXT */
+#define N_(msgid) (msgid)
 
 #if !defined TZ_DOMAIN && defined HAVE_GETTEXT
 # define TZ_DOMAIN "tz"
-- 
2.48.1