message: Close locked tabs when closing a capture
diff: @@ -2569,6 +2569,10 @@ void TextureViewer::OnCaptureClosed()
  delete m_Watcher;
  m_Watcher = NULL;
  + ToolWindowManagerArea *textureTabs = ui->dockarea->areaOf(ui->renderContainer);
  + while(textureTabs->count() > 1)
  + textureTabs->removeTab(1);
  +
  m_LockedTabs.clear();
  ui->customShader->clear();
  