The ornamental design for a lightingfixture, as shown and described.
FIG. 1 is a perspective view of a lighting fixture in accordance with the new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an enlarged view of the center portion of the lighting fixture of FIG. 1;
FIG. 4 is a cross-sectional view taken along lines 4—4 of FIG. 3;
FIG. 5 is a right side elevational view thereof, a left side elevational view being a mirror image thereof; and,
FIG. 6 is a top view thereof, a bottom view being a mirror image thereof.
The broken lines in the figures represent circular elements identical to those circular elements shown in FIG. 3, but with slight variations in overall size, and are shown more simply for ease of illustration. All other broken lines show environmental structure. None of the broken lines form part of the claimed design.