The ornamental design for a flashlight, as shown and described.
FIG. 1 is a perspective view of the flashlight as seen from the front, left side;
FIG. 2 is a front elevational view of the flashlight of FIG. 1;
FIG. 3. is a left side elevational view of the flashlight of FIG. 1, the other side elevational view being a mirror image thereof; and,
FIG. 4 is a bottom plan view of the flashlight of FIG. 1.
Dense stippling, stippling of intermediate density, and sparse stippling are used in FIGS. 1-4. The dense stippling represents a surface having a color that contrasts with the color of the surface including the sparse stippling. The surface including the sparse stippling has a color that also contrasts with the surface that includes the stippling of intermediate density. The surface including the stippling of intermediate density can have the same color or a different color from the surface that includes the dense stippling.
The broken lines showing the remainder of the flashlight are for illustrative purposes only and form no part of the claimed design.