Merged r2114 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/0.8-stable@2115 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb

@@ -73,7 +73,7 @@ module Redmine
             end
             
             with_scope(:find => scope_options) do
-              find(:all, provider_options[:find_options])
+              find(:all, provider_options[:find_options].dup)
             end
           end
         end