Invert the tests that checks the reorderable property and enabling drag source and destination. The methods enable_drag_dest() and enable_drag_source() are supposed to always unset the reorderable property.
Invert the tests that checks the reorderable property and enabling
drag source and destination. The methods enable_drag_dest() and
enable_drag_source() are supposed to always unset the reorderable
property.

svn path=/trunk/; revision=358

GNOME/testinggtk,GNOME/testinggtk