D19931: Stylesheets seem to contain UTF-8 characters but US-ASCII is assumed while building. Setting the charset explicitly fixes the error.

[Nathaniel Graham]

ngraham added a comment.

  I'll commit it for you (sorry for the delay, I was traveling). Can you 
provide your full name and email address so I can land it with proper 
attribution?

REVISION DETAIL
  https://phabricator.kde.org/D19931

To: luc4, gepardo, ngraham
Cc: ngraham, plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, 
ali-mohamed, jensreuterberg, abetts, sebas, apol, mart