I claim the ornamental design for a lighting fixture, as shown and described.
FIG. 1 is a perspective view of a lighting fixture. This fixture has four-way, ninety degree overall rotational symmetry. The candles, glasses, support ring, and center pieces each have a circular horizontal cross-section. The vertical frame members each have a circular vertical cross-section.
FIG. 2 is a side elevational view of the lighting fixture of FIG. 1.
FIG. 3 is a top plan view of the lighting fixture of FIG. 1;
FIG. 4 is a perspective view of a second embodiment of the lighting fixture.
FIG. 5 is a side elevational view of the lighting fixture of FIG. 4; and,
FIG. 6 is a top plan view of the lighting fixture of FIG. 4.
The broken lines shown on the drawings depict portions of the lighting fixture that form no part of the claimed design.