The ornamental design for a clothesdryer, as shown and described.
FIG. 1 is a front view of the clothes dryer showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a perspective view in a used state thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings form no part of the claimed design. Broken away symbols having a jagged element form no part of the claimed design and show that no particular length of the portion is claimed.