Merge pull request #3834 from eregon/spacing

Fix spacing in the generated #each_child_node and add vendor to .gitignore

Author: Earlopain

.gitignore

@@ -11,7 +11,7 @@
 /spec/reports/
 /top-100-gems/
 tmp/
-/vendor/bundle
+vendor/
 
 /build/
 /lib/prism/prism.*

templates/lib/prism/node.rb.erb

@@ -353,7 +353,7 @@ module Prism
       <%- when Prism::Template::OptionalNodeField -%>
       yield <%= field.name %> if <%= field.name %>
       <%- when Prism::Template::NodeListField -%>
-      <%= field.name %>.each  {|node| yield node }
+      <%= field.name %>.each { |node| yield node }
       <%- end -%>
       <%- end -%>
     end