puppet-syntax: Ensure we are using 4.1.1 or newer

4.1.0 had a bug in the Hiera syntax validation. This is fixed in 4.1.1.
See voxpupuli/puppet-syntax#171 for details.

Author: bastelfreak

puppetlabs_spec_helper.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'mocha', '~> 1.0'
   spec.add_runtime_dependency 'pathspec', '>= 0.2', '< 2.0.0'
   spec.add_runtime_dependency 'puppet-lint', '~> 4.0'
-  spec.add_runtime_dependency 'puppet-syntax', '~> 4.1'
+  spec.add_runtime_dependency 'puppet-syntax', '~> 4.1', '>= 4.1.1'
   spec.add_runtime_dependency 'rspec-github', '~> 2.0'
   spec.add_runtime_dependency 'rspec-puppet', '~> 4.0'