This is necessary to make notebook tab DND work.
https://bugzilla.gnome.org/show_bug.cgi?id=752638
6ac07a2 quartz: Implement NO_TARGET drag result
gtk/gtkdnd-quartz.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
Upstream: git.gnome.org