The ornamental design for a hanger, as shown and described.
FIG. 1 is a perspective view of an embodiment of a hanger according to my new design;
FIG. 2 is a front plan view thereof;
FIG. 3 is a back plan view thereof;
FIG. 4 is a left side elevation view thereof, the right side being a mirror image thereof;
FIG. 5 is a top elevation view thereof;
FIG. 6 is a bottom elevation view thereof;
FIG. 7 is a perspective view of the hanger shown in the environment of a user; and,
FIG. 8 is a perspective view of the hanger shown in the environment of a door.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.