The ornamental design for a magazinerack, as shown and described.
FIG. 1 is a front perspective view of a magazine rack showing my new
design;
FIG. 2 is a front elevational view, the rear being identical thereto;
FIG. 3 is a left side elevational view thereof, the right side being
identical thereto, the showing of magazines in broken lines is for
illustrative purposes only, and forms no part of the claimed design; and