autoconf: Add hash file

Signed-off-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/autoconf/autoconf.hash

@@ -0,0 +1,2 @@
+# Locally calculated after checking pgp signature
+sha256	64ebcec9f8ac5b2487125a86a7760d2591ac9e1d3dbd59489633f9de62a57684  autoconf-2.69.tar.xz