Ability to delete a version from a wiki page history (#10852).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10705 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/plugins/acts_as_versioned/lib/acts_as_versioned.rb

@@ -374,7 +374,7 @@ module ActiveRecord #:nodoc:
         # Clones a model.  Used when saving a new version or reverting a model's version.
         def clone_versioned_model(orig_model, new_model)
           self.versioned_attributes.each do |key|
-            new_model.send("#{key}=", orig_model.send(key)) if orig_model.has_attribute?(key)
+            new_model.send("#{key}=", orig_model.send(key)) if orig_model.respond_to?(key)
           end
 
 					if self.class.columns_hash.include?(self.class.inheritance_column)

lib/redmine.rb

@@ -118,7 +118,7 @@ Redmine::AccessControl.map do |map|
   map.project_module :wiki do |map|
     map.permission :manage_wiki, {:wikis => [:edit, :destroy]}, :require => :member
     map.permission :rename_wiki_pages, {:wiki => :rename}, :require => :member
-    map.permission :delete_wiki_pages, {:wiki => :destroy}, :require => :member
+    map.permission :delete_wiki_pages, {:wiki => [:destroy, :destroy_version]}, :require => :member
     map.permission :view_wiki_pages, {:wiki => [:index, :show, :special, :date_index]}, :read => true
     map.permission :export_wiki_pages, {:wiki => [:export]}, :read => true
     map.permission :view_wiki_edits, {:wiki => [:history, :diff, :annotate]}, :read => true