Require 'forwardable' from stdlib

The specs didn't catch this, because rspec requires it already.
Invizory · Feb 7, 2014 · f843194 · f843194
1 parent a262044
commit f843194
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/sperm/groups/isomorphism.rb b/lib/sperm/groups/isomorphism.rb
@@ -1,3 +1,4 @@
+require 'forwardable'
 require 'openssl'
 
 module Sperm::Groups