The ornamental design for a hanger, as shown and described.
FIG. 1 is a perspective view of a hanger according to my new design;
FIG. 2 is an enlarged front plan view thereof, the back being a mirror image thereof;
FIG. 3 is a left side elevation view thereof, the right side being a mirror image thereof;
FIG. 4 is a bottom elevation view thereof;
FIG. 5 is a top elevation view thereof;
FIG. 6 is a reduced scale perspective view thereof shown in the environment of a doorway; and,
FIG. 7 is a perspective view thereof shown secured around a bar.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines showing a portion of a doorway and a portion of a pole and bike seat are for the purposes of illustrating environment and form no part of the claimed design.