Fixed typo in gitlab.yml.example

Created by: mlitwiniuk

When installing gitlab on next host I've noticed a typo. So here's fix.

app/models/repository.rb

@@ -151,7 +151,7 @@ class Repository
     return nil unless commit
     # Build file path
-    file_name = self.path_with_namespace + "-" + commit.id.to_s + ".tar.gz"
+    file_name = self.path_with_namespace.gsub("/","_") + "-" + commit.id.to_s + ".tar.gz"
     storage_path = Rails.root.join("tmp", "repositories")
     file_path = File.join(storage_path, file_name)