[PATCH 5/8] pid_t.m4: just use 2.70

[Paul Eggert]

* m4/pid_t.m4 (AC_TYPE_PID_T):
Use Autoconf 2.70 as a prerequisite, not 2.69c.
---
 ChangeLog   | 4 ++++
 m4/pid_t.m4 | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 23b6a5167..68bae99d9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2020-12-11  Paul Eggert  <eggert@cs.ucla.edu>
 
+       pid_t.m4: just use 2.70
+       * m4/pid_t.m4 (AC_TYPE_PID_T):
+       Use Autoconf 2.70 as a prerequisite, not 2.69c.
+
        largefile: just use 2.70
        * m4/largefile.m4 (_AC_SYS_LARGEFILE_TEST_INCLUDES):
        Use Autoconf 2.70 as a prerequisite, not 2.69c.
diff --git a/m4/pid_t.m4 b/m4/pid_t.m4
index 3eb791662..c7abceeec 100644
--- a/m4/pid_t.m4
+++ b/m4/pid_t.m4
@@ -1,11 +1,11 @@
-# pid_t.m4 serial 3
+# pid_t.m4 serial 4
 dnl Copyright (C) 2020 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 # The following implementation works around a problem in autoconf <= 2.69.
-m4_version_prereq([2.69c], [] ,[
+m4_version_prereq([2.70], [], [
 
 dnl Define pid_t if the headers don't define it.
 AC_DEFUN([AC_TYPE_PID_T],
-- 
2.28.0