memcached: update to 1.6.8

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/memcached/Makefile

@@ -9,12 +9,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=memcached
-PKG_VERSION:=1.6.7
+PKG_VERSION:=1.6.8
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://memcached.org/files
-PKG_HASH:=7bbdac9b031d8cfca4a1207f28df598b90ee2e9b44667f7eabd0fe1a59ca5173
+PKG_HASH:=e23b3a11f6ff52ac04ae5ea2e287052ce58fd1eadd394622eb65c3598fcd7939
 
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>
 PKG_LICENSE:=BSD-3-Clause