FIG. 1 is a top, left side and front isometric view of a light fixture embodying my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof, the rear view being a mirror image of the front view;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a bottom view thereof.
The ornamental design for a light fixture, as shown and described.