memcached: update to version 1.4.22

 - Bugfix maintenance release

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>

net/memcached/Makefile

@@ -9,12 +9,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=memcached
-PKG_VERSION:=1.4.20
+PKG_VERSION:=1.4.22
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://memcached.org/files
-PKG_MD5SUM:=92f702bcb28d7bec8fdf9418360fc062
+PKG_MD5SUM:=2b7eefa17c811998f4cd55bfabc12b8e
 PKG_INSTALL:=1
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>
 PKG_LICENSE:=permissive free software license