ruby: security bump to 1.9.3-p484

Fixes CVE-2013-4164.

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

package/ruby/ruby.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RUBY_VERSION = 1.9.3-p448
+RUBY_VERSION = 1.9.3-p484
 RUBY_SITE = ftp://ftp.ruby-lang.org/pub/ruby/1.9
 RUBY_DEPENDENCIES = host-pkgconf host-ruby
 HOST_RUBY_DEPENDENCIES = host-pkgconf