The ornamental design for a lightfixture, as shown and described.
FIG. 1 is a bottom perspective view of the light fixture.
FIG. 2 is a top perspective view of the light fixture of FIG. 1.
FIG. 3 is a right elevation view of the light fixture of FIG. 1.
FIG. 4 is left elevation view of the light fixture of FIG. 1.
FIG. 5 is a front end view of the light fixture of FIG. 1.
FIG. 6 is a rear end view of the light fixture of FIG. 1.
FIG. 7 is a top plan view of the light fixture of FIG. 1; and,
FIG. 8 is a bottom plan view of the light fixture of FIG. 1.
Portions or features of the light fixture not shown in the drawings form no part of the claimed design. The evenly dotted broken lines in the drawings define the boundaries of the unclaimed portions of the claimed design and form no part of the claimed design. The dash-dot-dash-dot broken lines in the drawings represent a symbolic break along the fixture length. The appearance of any portion of the light fixture between this break forms no part of the claimed design.