The ornamental design for an automobile, as shown and described.
FIG. 1 is a front elevational view of an automobile showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a front and left side perspective view thereof;
FIG. 6 is a rear and right side perspective view thereof; and,
FIG. 7 is a rear elevational view thereof.
The hidden surfaces from the bottom, obscured by a rear bumper, the wheels, and inside the wheel wells, but visible in the figures form no part of the claimed design. The broken line showings on the radiator grill and rear gate are for the purpose of illustrating environmental structure and form no part of the claimed design.