Refactor: change :id on WikiController to use :project_id

Using :id to track projects on non-project controllers is confusing and
makes routing with resources difficult.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4265 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/wiki/destroy.rhtml

@@ -15,5 +15,5 @@
 </div>
 
 <%= submit_tag l(:button_apply) %>
-<%= link_to l(:button_cancel), :controller => 'wiki', :action => 'index', :id => @project, :page => @page.title %>
+<%= link_to l(:button_cancel), :controller => 'wiki', :action => 'index', :project_id => @project, :page => @page.title %>
 <% end %>