From: Tobias Tschinkowitz <he4d@posteo.de>
Date: Fri, 18 May 2018 14:33:51 +0000 (+0200)
Subject: battery: fixed remaining time on connected AC
X-Git-Url: https://git.xinqibao.xyz/slstatus.git/commitdiff_plain/367f8a8c44fc9dc05a0f7a2c1500111ca97f669c?hp=367f8a8c44fc9dc05a0f7a2c1500111ca97f669c

battery: fixed remaining time on connected AC

when an AC is connected apm_info shows a non-valid value for remaining
minutes. it was decided that in that case the function should return an
empty string.
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