Redo the fix for bug #492117, by adding a getter for the private drag

Redo the fix for bug #492117, by adding a getter for the private drag

2007-11-01  Richard Hult  <richard@imendio.com>

	* gdk/quartz/GdkQuartzWindow.c:
	* gdk/quartz/GdkQuartzWindow.h:
	* gdk/quartz/gdkdnd-quartz.c:
	* gdk/quartz/gdkquartz.h:
	* gtk/gtkdnd-quartz.c: Redo the fix for bug #492117, by adding a
	getter for the private drag context info so we don't need to
	expose so much in the public quartz header file.

svn path=/trunk/; revision=18959