opened
ujun
username_0
Currently, in hibari/app.rb, a case-when statement with multi-value condition has an incorrect expression like following. From this, on mod_mruby, mruby-hibari goes wrong. 

```ruby
case engine
when 'nginx' || 'apache'
  Kernel.run(self)
```
This PR fixes this point. 

```ruby
case engine
when 'nginx', 'apache'
  Kernel.run(self)
```
fix a condition in the case-when statement.
issue
created
kentaro
username_1
Thanks!
comment
created
matsumoto-r
username_2
:+1:
comment
created
ujun
username_0
Thanks for your merge :smile_cat:
comment