The ornamental design for a cover for a brushcutter, as shown and described.
FIG. 1 is a front perspective view of a cover for a brushcutter in accordance with our new design;
FIG. 2 is a rear perspective view of the cover for a brushcutter in accordance with our new design;
FIG. 3 is a front elevational view of the cover for a brushcutter in accordance with our new design;
FIG. 4 is a rear elevational view of the cover for a brushcutter in accordance with our new design;
FIG. 5 is a top plan view of the cover for a brushcutter in accordance with our new design;
FIG. 6 is a bottom plan view of the cover for a brushcutter in accordance with our new design;
FIG. 7 is a right side elevational view of the cover for a brushcutter in accordance with our new design;
FIG. 8 is a left side elevational view of the cover for a brushcutter in accordance with our new design; and,
FIG. 9 is a front perspective view of the cover for a brushcutter in accordance with our new design illustrating a state in which the cover for a brushcutter is attached to the brushcutter.
The broken lines in FIGS. 1, 2, and 4-9 represent environment and form no part of the claimed design.