Deal with deleted entities gracefully since it doesn't seem possible to freeze GTK grids in all the places we need.
Deal with deleted entities gracefully since it doesn't seem possible to freeze GTK grids in all the places we need.

Signed-off-by: Patrick O'Brien <482fd728a489578da005c6e4b7a37cd7a496d60f@eclypse.org>

Schevo/schevogtk