[Svn] [roundcube/roundcubemail] acfd33: Simplify code to set/change a skin

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/roundcube/roundcubemail
  Commit: acfd335f14ab793f9c9be1cffaa2481f89cec0bb
      https://github.com/roundcube/roundcubemail/commit/acfd335f14ab793f9c9be1cffaa2481f89cec0bb
  Author: Aleksander Machniak <alec at alec.pl>
  Date:   2018-04-20 (Fri, 20 Apr 2018)

  Changed paths:
    M program/include/rcmail_output_html.php
    M program/steps/settings/save_prefs.inc

  Log Message:
  -----------
  Simplify code to set/change a skin

When changing skin in Preferences we do not use the new skin immediately,
we do this after redirect.