The ornamental design for a storagecompartment, as shown and described.
FIG. 1 is a perspective view of a storage compartment with environment showing our new design;
FIG. 2 is a perspective view without environment thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a right side view of thereof;
FIG. 6 is a left side thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a section view thereof.
The broken lines shown in the drawings are included for purposes of illustrating environment or portions of the storage compartment, and form no part of the claimed design.