Add a missing ||.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Dec 19 04:21:10 2002  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/open-uri.rb: add a missing ||. (found by: ruby -wc)
+
 Wed Dec 18 03:52:55 2002  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* string.c (rb_str_new4): handle tail shared string.

lib/open-uri.rb

@@ -82,7 +82,7 @@ module OpenURI
     end
 
     unless mode == nil ||
-           mode == 'r' || mode == 'rb'
+           mode == 'r' || mode == 'rb' ||
            mode == O_RDONLY
       raise ArgumentError.new("invalid access mode #{mode} (#{uri.class} resource is read only.)")
     end