The ornamental design for a garment, as shown and described.
FIG. 1 is a front left perspective view of a garment showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof; and,
FIG. 5 is a right elevational view thereof.
The evenly spaced broken lines depict portions of the garment that form no part of the claim. The dot-dash broken lines are boundary lines, which define the bounds of the claimed design. None of the broken lines form part of the claimed design.