The ornamental design for automobile, as shown and described.
1. Automobile
1.1: Perspective
1.2: Front
1.3: Back
1.4: Left
1.5: Right
1.6: Top
1.1is a perspective view of automobile showing our new design; 1.2is a front elevation view thereof; 1.3is a rear elevation view thereof; 1.4is a left side elevation view thereof; 1.5is a right side elevation view thereof; 1.6is a top plan view thereof.