freopen: Don't crash if the filename argument is NULL.

[gnulib.git] / m4 / chdir-safer.m4

diff --git a/m4/chdir-safer.m4 b/m4/chdir-safer.m4
index 83035f3..0f6e407 100644 (file)
--- a/m4/chdir-safer.m4
+++ b/m4/chdir-safer.m4
@@ -1,4 +1,4 @@
-#serial 4
+#serial 5
 dnl Copyright (C) 2005-2006, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -6,6 +6,5 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_CHDIR_SAFER],
 [
-  AC_LIBOBJ([chdir-safer])
   AC_CHECK_FUNCS_ONCE([readlink])
 ])