The ornamental design for a lightingfixture, as shown and described.
FIG. 1 is a front elevational view of a lighting fixture, illustrating our
new design;
FIG. 2 is a side elevational view thereof; and
FIG. 3 is a top view thereof.
The undisclosed rear elevational view of the invention is substantially
similar to the front view shown in FIG. 1, and the undisclosed, opposing
side elevational view of the invention is substantially similar to the
side view illustrated in FIG. 2.