FIG. 1 is a perspective view showing our new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a cross-sectional view taken along lines 6—6 in FIG. 5; and,
FIG. 7 is a cross-sectional view taken along lines 7—7 in FIG. 6.
Any broken lines in the drawings depict probable environment only and form no part of the claimed design.