US D647241 S1
The ornamental design for a lighting fixture, as shown and described.
FIG. 1 is a perspective view of a lighting fixture showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top view thereof; and,
FIG. 5 is a bottom view thereof.
A left side view of the lighting fixture and a rear view thereof are omitted since the left side view and the rear view are respectively identical to the right side view and the front view.