[file-roller] configure.ac: relax the autoconf requirement to 2.68

[Javier JardÃn <jjardon src gnome org>]

commit 0ec2d41e36b08e263b645e7f4345c2c10f0b3ba5
Author: Javier JardÃn <jjardon gnome org>
Date:   Fri Jun 29 23:45:27 2012 +0900

    configure.ac: relax the autoconf requirement to 2.68
    
    2.69 is not event in the latest version of the major distributions

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 93e5370..993c77b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.69])
+AC_PREREQ([2.68])
 
 AC_INIT([file-roller],[3.5.2],[http://bugzilla.gnome.org/enter_bug.cgi?product=file-roller],[file-roller])
 AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz tar-ustar])