The ornamental design for a fabric, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a fabric showing our new design; and,
FIG. 2 is a front view of another embodiment of the fabric showing our new design.
The fabric is flat and planar, depth forms no part of the claimed design.