The ornamental design for a hanger, as shown and described.
FIG. 1 is top view of a hanger showing my new ornamental design;
FIG. 2 is a view taken from the right side of FIG. 1;
FIG. 3 is a view taken from the left side of FIG. 1;
FIG. 4 is a front elevational view the hanger shown in FIG. 1;
FIG. 5 is a bottom view of the hanger shown in FIG. 1;
FIG. 6 is a front elevational view of the hanger shown in FIG. 5; and,
FIG. 7 is a perspective view of the hanger of FIG. 1 connected to a rope shown in broken lines for illustrative purposes and forming no part of the claimed design.