[tz] [PROPOSED] Port check_time_t_alternatives to June 8 AIX fix

[Paul Eggert]

* private.h (TZ_TIME_T): Declare strftime.  This is helpful now
that we use our own strftime.  Declare strftime_l too, if present.
---
 private.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/private.h b/private.h
index 982ddf3..2b07251 100644
--- a/private.h
+++ b/private.h
@@ -424,6 +424,12 @@ typedef time_tz tz_time_t;
 char *ctime(time_t const *);
 char *ctime_r(time_t const *, char *);
 double difftime(time_t, time_t) ATTRIBUTE_CONST;
+size_t strftime(char *restrict, size_t, char const *restrict,
+		struct tm const *restrict);
+# if HAVE_STRFTIME_L
+size_t strftime_l(char *restrict, size_t, char const *restrict,
+		  struct tm const *restrict, locale_t);
+# endif
 struct tm *gmtime(time_t const *);
 struct tm *gmtime_r(time_t const *restrict, struct tm *restrict);
 struct tm *localtime(time_t const *);
-- 
2.9.4