Correct handle the grab when using the keyboard shortcut to lock the screen.

(bzr r3566.5.444)

1 files changed, 1 insertions, 0 deletions

diff --git a/panel/PanelView.cpp b/panel/PanelView.cpp
index 93bb869fc..d5d678395 100644
--- a/panel/PanelView.cpp
+++ b/panel/PanelView.cpp
@@ -104,6 +104,7 @@ PanelView::PanelView(MockableBaseWindow* parent, menu::Manager::Ptr const& menus
 
 SetCompositionLayout(layout_);
 
+ tray_ = nullptr;
 if (!lockscreen_mode_)
 {
 tray_ = new PanelTray(monitor_);