The ornamental design for a lightfixture, as shown and described.
FIG. 1 is a top perspective view of a light fixture in accordance with my design;
FIG. 2 is a top plan view of the light fixture in accordance with my design;
FIG. 3 is a bottom plan view of the light fixture in accordance with my design;
FIG. 4 is a front elevation view of the light fixture in accordance with my design, the opposite side being a mirror image of that shown; and,
FIG. 5 is a side elevation view of the light fixture in accordance with my design, the opposite side being a mirror image of that shown.
The broken lines shown on the bottom of FIG. 3 depict environment only and form no part of the claimed design. The support pole is shown broken away in FIGS. 1, 4 and 5 to depict indeterminate length.