Add rubocop to gemspec

abinashmeher999 · abinashmeher999 · commit b0cbe39c51ae · 2016-08-19T17:57:12.000+05:30
diff --git a/symengine.gemspec b/symengine.gemspec
@@ -16,5 +16,6 @@ Gem::Specification.new do |gem|
     gem.add_development_dependency 'rspec', '~> 3.0'
     gem.add_development_dependency 'rspec-its'
     gem.add_development_dependency 'rdoc', '~> 4.0'
+    gem.add_development_dependency 'rubocop', '~> 0.42.0'
     gem.add_runtime_dependency 'backports'
 end
