The ornamental design for bedstead, as shown and described.
FIG. 1 is a left front perspective view of a bedstead showing my new
design;
FIG. 2 is a front elevational view thereof; and,
FIG. 3 is a side view, the opposite side being a mirror image of the side
shown.
The top, bottom and rear views are not shown and form no part of the
claimed design. The dashed lines indicate environmental elements and form
no part of the claimed design.