We claim the ornamental design for a lighting fixture, as shown and described herein.
FIG. 1 is a top perspective view of a lighting fixture showing our new design;
FIG. 2 is a bottom perspective view;
FIG. 3 is a front view;
FIG. 4 is a rear view;
FIG. 5 is a top view;
FIG. 6 is a bottom view;
FIG. 7 is a left-side view;
FIG. 8 is a right-side view; and,
FIG. 9 is a side cross-sectional view taken along line 9-9 in FIG. 1 showing a stepped profile feature of the fixture in more detail.
The broken lines in the drawings illustrate portions of the lighting fixture which form no part of the claimed design. The other broken lines in the drawings illustrate boundaries that form no part of the claimed design.