Log Message:
Update ruby-sass to 3.2.5.

3.2.5

* Fix a bug where bogus @extend warnings were being generated.
* Fix an @import bug on Windows. Thanks to Darryl Miles.
* Ruby 2.0.0-preview compatibility. Thanks to Eric Saxby.
* Fix incorrect line numbering when using DOS line endings with the indented
  syntax.

3.2.4

* Fix imports from .jar files in JRuby. Thanks to Alex Hvostov.
*  Allow comments within @import statements in SCSS.
*  Fix a parsing performance bug where long decimals would occasionally take
   many minutes to parse.