Fix NameError

tkm-kj · tkm-kj · commit b2d3a3af3a22 · 2016-07-16T16:16:03.000+09:00
diff --git a/lib/zenhub_ruby/client.rb b/lib/zenhub_ruby/client.rb
@@ -1,6 +1,7 @@
 require 'zenhub_ruby/connection'
 require 'zenhub_ruby/client/api'
 require 'zenhub_ruby/github'
+require 'zenhub_ruby/version'
 
 module ZenhubRuby
   class Client
