The ornamental design for an automobile, as shown and described.
FIG. 1 is a front, left perspective view of an automobile showing our new design;
FIG. 2 is a rear, left perspective view thereof;
FIG. 3 is a left side elevation view thereof, the right side being a mirror image thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a rear elevation view thereof; and,
FIG. 6 is a front elevation view thereof.
The broken lines illustrate portions of the automobile and form no part of the claimed design.
The claimed design is indicated by the relatively dark portions in the figures, while the relatively light portions are environmental and form no part of the claimed design.