autoconf: bump version to 2.65

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/autoconf/autoconf.mk

@@ -3,7 +3,7 @@
 # autoconf
 #
 #############################################################
-AUTOCONF_VERSION = 2.64
+AUTOCONF_VERSION = 2.65
 AUTOCONF_SOURCE = autoconf-$(AUTOCONF_VERSION).tar.bz2
 AUTOCONF_SITE = $(BR2_GNU_MIRROR)/autoconf