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Jarek Kobus authored
Init all class member pointers to NULL. This fixes possible crash on exit when dependent plugin was not loaded (e.g. TextEditor was missing). In this case plugin's constructor gets called, initialize() method is _not_ called and destructor gets called -> crash. Properly delete dependent plugins on a plugin which failed to initialize properly. Fix labels of deleted plugins inside an error dialog after pressing "Error Details" from "Installed Plugins" dialog. Change-Id: Iddc029a0f07dcba2501d734d142fb0e69e9383d3 Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
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