configure.ac: autoconf 2.67 works just fine.

diff --git a/configure.ac b/configure.ac
index 43a7e9c94617417b30b1c7d746a44c0da82e89b1..4f26fbc4b6a02ab71a7db13d8dc2e15449aa5123 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.68])
+AC_PREREQ([2.67])
 AC_INIT([liboping],[1.6.1])
 AC_CONFIG_SRCDIR([src/liboping.c])
 AC_CONFIG_HEADERS([src/config.h])