The ornamental design for a winerack, as shown and described.
FIG. 1 is a top perspective view of a first embodiment of a wine rack showing my new design;
FIG. 2 is a front elevation view of the wine rack of FIG. 1 shown within a stack;
FIG. 3 is a right-side elevation cross-sectional view of the wine rack of FIG. 2 taken along section lines III-III of FIG. 2, the left-side elevation view being a mirror image thereto;
FIG. 4 is a front elevation view of the wine rack of FIG. 1;
FIG. 5 is a right-side elevation cross-sectional view of the wine rack taken along section lines V-V in FIG. 1, the left-side elevation view being a mirror image thereto;
FIG. 6 is a right-side elevation view of the wine rack of FIG. 1, the left-side elevation view being a mirror image thereto;
FIG. 7 is a top cross-sectional view of the wine rack of FIG. 1;
FIG. 8 is a bottom cross-sectional view of the wine rack of FIG. 1; and,
FIG. 9 is a rear elevation view of the wine rack of FIG. 1.
The broken lines depict unclaimed environmental subject matter and form no part of the claimed design.