Merge pull request #1336 from ruby/remove-nul-byte

Remove unnecessary NUL byte in string

Author: kddnewton

templates/src/node.c.erb

@@ -168,5 +168,5 @@ yp_node_type_to_str(yp_node_type_t node_type)
  return "<%= node.type %>";
 <%- end -%>
  }
- return "\0";
+ return "";
 }