autoconf: switch to xz tarball

Switch to xz tarball

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

devel/autoconf/Makefile

@@ -9,11 +9,11 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=autoconf
 PKG_VERSION:=2.69
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_URL:=@GNU/autoconf
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_MD5SUM:=82d05e03b93e45f5a39b828dc9c6c29b
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_MD5SUM:=50f97f4159805e374639a73e2636f22e
 PKG_MAINTAINER:=Heinrich Schuchardt <xypron.glpk@gmx.de>
 PKG_LICENSE:=GPL-3.0+