D14350: Make sure for loop does not detach

[Kai Uwe Broulik]

broulik added inline comments.

INLINE COMMENTS

> config.cpp:371
>          dbg << "KScreen::Config(";
> -        for (const auto output : config->outputs()) {
> +        for (const auto &output : config->outputs()) {
>              if (output->isConnected()) {

This still calls `config->outputs().begin()` and might detach, wouldn't it?
`qAsConst` also doesn't work for return value of a method call, so looks like you're gonna have to store it in a `const` variable first

REPOSITORY
  R110 KScreen Library

REVISION DETAIL
  https://phabricator.kde.org/D14350

To: gladhorn, #plasma
Cc: broulik, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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