README: update requested autoconf version 2.69

Commit 4c00f96fc2e3 ("configure.ac: switch to autoconf 2.69")
changes the required minor version of autoconf.

Update the README file accordingly.

Change-Id: I98b32b888ff531300f03c4ef9ebcbf8110509e52
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/6114
Tested-by: jenkins
Reviewed-by: Marc Schink <dev@zapb.de>

diff --git a/README b/README
index fb3051f2174ac88b2ab0aeab1dff23e588eaa288..1c5f192778e54882c2c787cff4896d2f97946d4d 100644 (file)
--- a/README
+++ b/README
@@ -220,7 +220,7 @@ You'll also need:
 
 Additionally, for building from git:
 
-- autoconf >= 2.64
+- autoconf >= 2.69
 - automake >= 1.14
 - texinfo >= 5.0