themes: fix CSS class of uci change indicator
authorJo-Philipp Wich <jo@mein.io>
Thu, 26 Apr 2018 07:28:53 +0000 (09:28 +0200)
committerJo-Philipp Wich <jo@mein.io>
Thu, 26 Apr 2018 07:30:11 +0000 (09:30 +0200)
The previous commit incorrectly added a new class attribute without
considering existing ones.

Fixes 736d8fee4 ("themes: add common class to uci change indicator")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

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