less: bump to version 481

Switch site to gnu mirror since the stable releases are mirrored there.
Also use gpg sig to calculate hash, from the gnu mirror.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/less/less.hash

@@ -1,2 +1,2 @@
-# Locally calculated
-sha256	e536c7819ede54b3d487f0ffc4c14b3620bed83734d92a81e89f62346db0fcac	less-458.tar.gz
+# Locally calculated after checking pgp signature
+sha256	3fa38f2cf5e9e040bb44fffaa6c76a84506e379e47f5a04686ab78102090dda5	less-481.tar.gz

package/less/less.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-LESS_VERSION = 458
-LESS_SITE = http://www.greenwoodsoftware.com/less
+LESS_VERSION = 481
+LESS_SITE = $(BR2_GNU_MIRROR)/less
 LESS_LICENSE = GPLv3+
 LESS_LICENSE_FILES = COPYING
 # Build after busybox, full-blown is better