The ornamental design for a hanginglamp, as shown and described.
FIG. 1 is a front perspective view of a hanging lamp according to the
present invention, wherein the lamp is symmetrical so that rear and side
views are substantially identical to the view of FIG. 1;
FIG. 2 is a top plan view of the lamp of FIG. 1; and,
FIG. 3 is a bottom plan view of the lamp of FIG. 1.