The ornamental design for a flashlight, as shown and described.
FIG. 1 is a perspective view of a flashlight according to our new design including detail frame 2;
FIG. 2 is an enlarged detail view corresponding to detail frame 2 of FIG. 1;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof including detail frame 7;
FIG. 7 is an enlarged detail view corresponding to detail frame 7 of FIG. 6;
FIG. 8 is a top plan view thereof; and,
FIG. 9 is a bottom plan view thereof.
The dash-dash lines of FIGS. 1 and 3 depict unclaimed elements of the design and form no part of the claimed design. The dash-dot-dash line squares of FIGS. 1, 2, 6, and 7 depict the limits of the enlarged views and form no part of the claimed design.