ruby: bump to 2.5.3

Fix only release, including:
* CVE-2018-16396: Tainted flags are not propagated in Array#pack
  and String#unpack with some directives
* CVE-2018-16395: OpenSSL::X509::Name equality check does not work
  correctly

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>

lang/ruby/Makefile

@@ -11,7 +11,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ruby
-PKG_VERSION:=2.5.1
+PKG_VERSION:=2.5.3
 PKG_RELEASE:=1
 
 # First two numbes
@@ -19,7 +19,7 @@ PKG_ABI_VERSION:=$(subst $(space),.,$(wordlist 1, 2, $(subst .,$(space),$(PKG_VE
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://cache.ruby-lang.org/pub/ruby/$(PKG_ABI_VERSION)/
-PKG_HASH:=886ac5eed41e3b5fc699be837b0087a6a5a3d10f464087560d2d21b3e71b754d
+PKG_HASH:=1cc9d0359a8ea35fc6111ec830d12e60168f3b9b305a3c2578357d360fcf306f
 PKG_MAINTAINER:=Luiz Angelo Daros de Luca <luizluca@gmail.com>
 PKG_LICENSE:=BSD-2-Clause
 PKG_LICENSE_FILES:=COPYING