The ornamental design for a tire for automobile, as shown and described.
FIG. 1 is a front view of a tire for automobile showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is an enlarged view of FIG. 5; and,
FIG. 8 is an enlarged right perspective view of FIG. 7.
The portion in the drawings illustrated in broken lines represent environmental structure of the design and therefore form no part of the claimed design.