The ornamental design for a frontcombinationlamp for an automobile, as shown and described.
FIG. 1 is a perspective view of a front combination lamp for an automobile;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a right side elevation view thereof.
The broken lines in the drawings illustrate portions of the front combination lamp for an automobile that are environmental structures and form no part of the claimed design.