The ornamental design for a wastebaskethanger, as shown and described.
FIG. 1 is a perspective view of the ornamental wastebasket hanger.
FIG. 2 is a rear view of the ornamental wastebasket hanger.
FIG. 3 is an end view of the ornamental view of the wastebasket hanger
showing the edge of a wastebasket attached thereto as well as the wall or
door attached thereto, said attached wastebasket and wall or door shown
only for illustrative purposes only.