Fix warnings from autoconf.
authorGuus Sliepen <guus@tinc-vpn.org>
Sun, 27 Jun 2021 12:55:23 +0000 (14:55 +0200)
committerGuus Sliepen <guus@tinc-vpn.org>
Sun, 27 Jun 2021 12:55:23 +0000 (14:55 +0200)
Bump the minimum required version of autoconf to 2.69, and avoid using
macros it warns are obsolete.


No differences found