The ornamental design for a lightfixture, as shown and described.
FIG. 1 is a perspective view showing our new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being identical;
FIG. 3 is a right side elevational view thereof, the left side elevational view being identical;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The break lines in FIGS. 1-3 are to indicate that the appearance of any portion of the light fixture between the break lines forms no part of the claimed design.
The broken lines shown in the drawings are included for the purpose of illustrating portions of the light fixture that form no part of the claimed design.