Fix issues count on labels page

app/models/label.rb

@@ -97,12 +97,12 @@ class Label < ActiveRecord::Base
     end
   end
 
-  def open_issues_count
-    issues.opened.count
+  def open_issues_count(user = nil)
+    issues.visible_to_user(user).opened.count
   end
 
-  def closed_issues_count
-    issues.closed.count
+  def closed_issues_count(user = nil)
+    issues.visible_to_user(user).closed.count
   end
 
   def open_merge_requests_count

app/views/projects/labels/_label.html.haml

@@ -8,7 +8,7 @@
 
     %strong.append-right-20
       = link_to_label(label) do
-        = pluralize label.open_issues_count, 'open issue'
+        = pluralize label.open_issues_count(current_user), 'open issue'
 
     - if current_user
       .label-subscription{data: {url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label)}}