Allow benchmark 0.4.x

Author: ekohl

puppet.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency('scanf', '~> 1.0')
   spec.add_runtime_dependency('semantic_puppet', '~> 1.0')
   spec.add_runtime_dependency('ostruct', '~> 0.6.0')
-  spec.add_runtime_dependency('benchmark', '~> 0.3.0')
+  spec.add_runtime_dependency('benchmark', '>= 0.3', '< 0.5')
 
   platform = spec.platform.to_s
   if platform == 'universal-darwin'