lintian warning: Ruby-Versions fields

[Vincent Carmona <vinc4mai@gmail.com>]

Hi.

With the new packaging [1] lintian complains about
unknown-field-in-dsc ruby-versions.
Bug #623390 [2] was filled.

[1]http://wiki.debian.org/Teams/Ruby/RubyInWheezy
[2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623390

-- 
Vincent Carmona