nano: Switch to xz tarball

Switch to xz tarball, less bandwidth used as it's about half in size (1M vs 1.9M).

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

utils/nano/Makefile

@@ -13,9 +13,9 @@ PKG_RELEASE:=1
 PKG_LICENSE:=GPL-3.0+
 PKG_LICENSE_FILES:=COPYING
 
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/nano
-PKG_MD5SUM:=0805c5b8c75d4fde053e4b1431270f91
+PKG_MD5SUM:=f86af39514ae74e20bef3c29cd01d1090a9aca772a70e9c9f9e70c3d14b39521
 
 PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1