QmlPreview: Fix crash at shutdown

Seem like it get a nullptr project at shutdown.

Change-Id: I76d9f4b2b90b0641d645cb413f9ebfe678bb1c9f
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/plugins/qmlpreview/projectfileselectionswidget.cpp b/src/plugins/qmlpreview/projectfileselectionswidget.cpp
index ac09888619..f6f20fc2d4 100644
--- a/src/plugins/qmlpreview/projectfileselectionswidget.cpp
+++ b/src/plugins/qmlpreview/projectfileselectionswidget.cpp
@@ -115,7 +115,10 @@ ProjectFileSelectionsWidget::ProjectFileSelectionsWidget(const QString &projectS
     layout->setContentsMargins(0, 0, 0, 0);
     layout->addLayout(viewLayout);
 
-    auto initModel = [this, model, updateCheckedFiles] (ProjectExplorer::Project *project) {
+    auto initModel = [this, model, updateCheckedFiles](ProjectExplorer::Project *project) {
+        if (!project)
+            return;
+
         auto refreshModel = [this, model, updateCheckedFiles] () {
             model->clear();
             if (auto project = ProjectExplorer::SessionManager::startupProject()) {