The ornamental design for a wastebinenclosure, as shown and described.
FIG. 1 is a perspective view of a waste bin enclosure in accordance with the present invention;
FIG. 2 is a front view of the waste bin enclosure of FIG. 1;
FIG. 3 is a rear view of the waste bin enclosure of FIG. 1;
FIG. 4 is a right side view of the waste bin enclosure of FIG. 1;
FIG. 5 is a left side view of the waste bin enclosure of FIG. 1;
FIG. 6 is a top view of the waste bin enclosure of FIG. 1; and,
FIG. 7 is a bottom view of the waste bin enclosure of FIG. 1.
The broken lines shown in the figures are included for the purpose of illustrating portions of the waste bin enclosure and forms no part of the claimed design.