disappearing text

1. Create new patch
2. Create a new object box
3. Click on an empty area of the patch to instantiate the empty object.
4. Right-click on an empty area of the patch to show the canvas menu
5. Choose "Properties"
6. Close the canvas dialog.
7. Try to close the patch.

Bug! In the "Are you sure" dialog the message that is supposed to appear above the buttons is instead invisible.

Tested on Windows 7.