The ornamental design for a garment, as shown and described.
FIG. 1 is a front view of a garment showing my design;
FIG. 2 is a rear view thereof;
FIG. 3 is a first side view thereof;
FIG. 4 is a second side view thereof; and,
FIG. 5 is a front, perspective view thereof.
The even-length broken lines are directed to environment, represent unclaimed subject matter, and form no part of the claimed design. The long-and-short broken lines immediately adjacent shaded areas form an unclaimed boundary, and form no part of the claim.