unrar: update to 5.2.2

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

utils/unrar/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unrar
-PKG_VERSION:=5.2.1
+PKG_VERSION:=5.2.2
 PKG_RELEASE:=1
 
 PKG_SOURCE:=unrarsrc-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://www.rarlab.com/rar
-PKG_MD5SUM:=451d75ce182abccfa60b47f605aaf736
+PKG_MD5SUM:=69ef5af8442cbb7dfdebe298bfb9c61a
 PKG_MAINTAINER:=Álvaro Fernández Rojas <noltari@gmail.com>
 
 PKG_LICENSE:=UnRAR