The ornamental design for a lightfixture, as shown and described.
FIG. 1 is a perspective view of a light fixture in accordance with my design;
FIG. 2 is front elevation view of the light fixture in accordance with my design, the opposite view being a mirror image of that shown;
FIG. 3 is a bottom plan view of the light fixture in accordance with my design;
FIG. 4 is a top plan view of the light fixture in accordance with my design; and,
FIG. 5 is a side elevation view of the light fixture in accordance with my design, the opposite view being a mirror image of that shown.
The broken-line disclosure of elements is understood to represent portions of the article in which the design is embodied, but which form no part of the claimed design.
The portions of the light fixture shown broken away in FIGS. 1-5 are to depict indeterminate length.