I claim the ornamental design for a cable cover, as shown and described.
FIG. 1 is a perspective view of a cable cover showing my design;
FIG. 2 is a left elevation view thereof, the right elevation view being identical;
FIG. 3 is a front elevation view thereof, the rear elevation view being identical;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The cable cover is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
The dashed broken lines in the drawings are for the purpose of illustrating portions of the cable cover that form no part of the claimed design.