From: Manuel Nickschas <sputnick@quassel-irc.org>
Date: Tue, 25 Sep 2018 22:47:14 +0000 (+0200)
Subject: common: Avoid crash on SignalProxy destruction
X-Git-Tag: 0.13-rc2~19
X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=commitdiff_plain;h=16a42dff7db80813c69527e7f44ec1ca6e6371cb;hp=16a42dff7db80813c69527e7f44ec1ca6e6371cb

common: Avoid crash on SignalProxy destruction

Since SignalProxy itself attaches a slot, it will try to detach
itself on destruction, leading to a crash. Avoid this by checking
for self-detachment.
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