don't crash in SetFocus()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14304 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 8bb4d60e1d77bda0307fa97f9102ff22febeb512..07141e897ec33543ec778a9cd48cfa65a2e981c2 100644 (file)
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -3440,7 +3440,7 @@ void wxListMainWindow::SetFocus()
 
     wxWindow *oldFocus = FindFocus();
     
-    if ( oldFocus->GetParent() == this )
+    if ( oldFocus && oldFocus->GetParent() == this )
     {
         wxWindow::SetFocus();
     }