$NetBSD$

Don't hard code config file's path for gem.

--- lib/rubygems/config_file.rb.orig	2010-06-08 13:14:51.000000000 +0000
+++ lib/rubygems/config_file.rb
@@ -45,13 +45,7 @@ class Gem::ConfigFile
 
   PLATFORM_DEFAULTS = {}
 
-  system_config_path =
-    begin
-      require 'etc.so'
-      Etc.sysconfdir
-    rescue LoadError
-      '/etc'
-    end
+  system_config_path = '@PKG_SYSCONFDIR@'
 
   SYSTEM_WIDE_CONFIG_FILE = File.join system_config_path, 'gemrc'
 
