(gl_PREREQ_READUTMP): Require gl_FUNC_FREE, now that readutmp.c may call `free (0)'.

diff --git a/m4/readutmp.m4 b/m4/readutmp.m4
index 3037eff9830bf4069e72eff3a71b3f41f37449d1..5968465cfc03ac92b6ddb37c745eeb85059e1e82 100644 (file)
--- a/m4/readutmp.m4
+++ b/m4/readutmp.m4
@@ -1,5 +1,5 @@
-# readutmp.m4 serial 3
-dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# readutmp.m4 serial 4
+dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -58,5 +58,5 @@ $ac_includes_default
 # Prerequisites of lib/readutmp.c.
 AC_DEFUN([gl_PREREQ_READUTMP],
 [
-  :
+  AC_REQUIRE([gl_FUNC_FREE])
 ])