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, illustrating movable portions;
FIG. 2 is a top plan view of the light fixture in accordance with my design, illustrating movable portions;
FIG. 3 is a bottom plan view of the light fixture in accordance with my design, illustrating movable portions;
FIG. 4 is a side elevation view of the light fixture in accordance with my design, illustrating movable portions, the opposite side view being a mirror image of that shown;
FIG. 5 is a front plan view of the light fixture in accordance with my design, illustrating movable portions; and,
FIG. 6 is a back plan view of the light fixture in accordance with my design, illustrating movable portions
The area bounded by the broken lines in FIG. 6 forms no part of the claimed design.