The ornamental design for an automobile, as shown and described.
FIG. 1 is a left, front perspective view of an automobile showing my new design;
FIG. 2 is a left, rear perspective view thereof;
FIG. 3 is a left side elevation view thereof, the right side elevation view being a mirror image;
FIG. 4 is a top view thereof;
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a rear elevation view thereof.
The bold 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, including those within the bold broken lines, are environmental and form no part of the claimed design.