Fix for https://github.com/xml4r/libxml-ruby/issues/38.
Fix for https://github.com/xml4r/libxml-ruby/issues/38.

xml4r/libxml-ruby,sferik/libxml-ruby,sferik/libxml-ruby,sferik/libxml-ruby,xml4r/libxml-ruby,sferik/libxml-ruby,increments/libxml-ruby,sferik/libxml-ruby,sferik/libxml-ruby,increments/libxml-ruby,increments/libxml-ruby,xml4r/libxml-ruby