Rename spec wrapper classes to prevent cross-pollination of specs. Require rspec 1.1.4 or later to fix the "describe Module do" bug


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@668954 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/spec/spec_helper.rb b/lib/rb/spec/spec_helper.rb
index fc15741..0c7136b 100644
--- a/lib/rb/spec/spec_helper.rb
+++ b/lib/rb/spec/spec_helper.rb
@@ -1,4 +1,6 @@
 require 'rubygems'
+# require at least 1.1.4 to fix a bug with describing Modules
+gem 'rspec', '>= 1.1.4'
 require 'spec'
 
 # turn on deprecation so we can test it