Use File.join to prevent extra slash in help message from appearing. Before:

```
Try fixing it:
sudo -u git -H /opt/gitlab/embedded/service/gitlab-shell//bin/create-hooks
```

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/tasks/gitlab/check.rake b/lib/tasks/gitlab/check.rake
index 2b9688c1b40..504823f3e12 100644
--- a/lib/tasks/gitlab/check.rake
+++ b/lib/tasks/gitlab/check.rake
@@ -278,7 +278,7 @@ namespace :gitlab do
         fix_and_rerun
       end
     end
-    
+
     def check_uploads
       print "Uploads directory setup correctly? ... "
 
@@ -488,7 +488,7 @@ namespace :gitlab do
         else
           puts "wrong or missing hooks".red
           try_fixing_it(
-            sudo_gitlab("#{gitlab_shell_path}/bin/create-hooks"),
+            sudo_gitlab("#{File.join(gitlab_shell_path, 'bin/create-hooks')}"),
             'Check the hooks_path in config/gitlab.yml',
             'Check your gitlab-shell installation'
           )