The ornamental design for a bracketcover, as shown and described.
FIG. 1 is a front, top, right perspective view of a bracket cover, showing the new design;
FIG. 2 is a rear, bottom, left perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines of even length shown in the drawings illustrate portions of the bracket cover that form no part of the claimed design. The broken lines of uneven length shown in the drawings illustrate the boundaries of the claimed design.