[gnome-sound-recorder] recording end crash fix

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit f8b349b651f5f5ea4b6ba58b7f4d981bba26c096
Author: Kavan Mevada <kavanmevada gmail com>
Date:   Sat Jul 4 21:51:08 2020 +0530

    recording end crash fix

 src/window.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/window.js b/src/window.js
index 5cd85bd..32c3adb 100644
--- a/src/window.js
+++ b/src/window.js
@@ -58,7 +58,8 @@ var Window = GObject.registerClass({
         this._refreshView();
         this._recordingList.connect('items-changed', this._refreshView.bind(this));
 
-        this._column.add(new RecordingsListBox(this._recordingList, this.player));
+        this._recordingListBox = new RecordingsListBox(this._recordingList, this.player);
+        this._column.add(this._recordingListBox);
 
         this._emptyIcon.icon_name = `${pkg.name}-symbolic`;
         this.show();
@@ -93,7 +94,7 @@ var Window = GObject.registerClass({
     onRecorderStop() {
         const recording = this.recorder.stop();
         this._recordingList.insert(0, recording);
-        this._listBox.get_row_at_index(0).editMode = true;
+        this._recordingListBox.get_row_at_index(0).editMode = true;
         this._setMainView();
     }