Headlamp

FIG. 1 is an upper perspective view of a headlamp showing the new design;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the article and form no part of the claimed design.