The ornamental design for fixing article for floor mat of automobile, as shown and described.
FIG. 1 is a perspective view of the front, right and top of a fixing article for floor mat of automobile showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a right side view thereof.
The elements shown in broken lines are for illustrative purposes only and form no part of the claimed design. And the dot-dash broken lines define the boundaries of the claimed portion and the non-claimed portion.