pin net-ssh for ruby 1.9.3

Author: chris-rock

Gemfile

@@ -10,3 +10,9 @@ gem 'rake'
 gem 'inspec', '~> 0.9'
 gem 'rubocop',    '~> 0.23'
 gem 'highline', '~> 1.6.0'
+
+# pin dependency for Ruby 1.9.3 since bundler is not
+# detecting that net-ssh 3 does not work with 1.9.3
+if Gem::Version.new(RUBY_VERSION) <= Gem::Version.new('1.9.3')
+  gem 'net-ssh', '~> 2.9'
+end