glejeune/Ruby-Graphviz — pull request #29 by ronen (2011-11-20 14:26:13+00:00)
Title: Changed deprecated Config to RbConfig in util.rb

as per deprecation warning in ruby 1.9.3:
.../ruby-1.9.3-p0/gems/ruby-graphviz-1.0.0/lib/graphviz/utils.rb:26: Use RbConfig instead of obsolete and deprecated Config.