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 rear, left perspective view thereof;
FIG. 3 is a left side elavation view thereof, the right side view being a mirror image thereof;
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 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. The relatively light portions include the side mirrors, the door handles, the antenna, and the emblem on the trunk.