Fixing crash on opening tabs after closing other window(s).

It was a stupid omission by me, cleverly discovered and
fixed by Johannes Zellner!!

Again, thank you very much!

1 files changed, 1 insertions, 0 deletions

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 345cfda7..722189f5 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -143,6 +143,7 @@ MainWindow::MainWindow()
 
 MainWindow::~MainWindow()
 {
+    Application::instance()->removeMainWindow(this);
     delete m_popup;
     delete m_view;
 }