FIG. 1 is a perspective view as viewed from a front direction of a flashlight showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof, and is a mirror image of the left side view;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The ornamental design for a flashlight, as shown and described.