fix for change to make plugin work with non-edge versions of redmine

app/controllers/weekly_time_sheet_controller.rb

@@ -9,7 +9,7 @@ def index
   end
   
   def project_tasks
-    Issue.visible_by do
+    Issue.visible_by(User.current) do
       ret = Issue.open.find(:all, :conditions => ["#{IssueStatus.table_name}.is_closed = ?", false], :include => :status).collect do |issue|
         "<option value=\"#{issue.id}\">#{issue.to_s}</option>"
       end.join("\n")