The ornamental design for storage for table leaves, as shown and described.
FIG. 1 is a perspective view of storage for table leaves showing my new design;
FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;
FIG. 3 is a top view thereof; and,
FIG. 4 is an enlarged partial perspective view thereof, showing the door in an opened position.
The views of the storage for table leaves not shown form no part of the claimed design. The broken lines depicting hardware and hinges represent environmental elements only and form no part of the claimed design.