The ornamental design for a dispenser, as shown and described.
FIG. 1 is a front perspective view of a dispenser in accordance with our new design, wherein a front panel of the dispenser is shown in a closed configuration;
FIG. 2 is another front perspective view of the dispenser shown in FIG. 1, wherein the front panel is shown in an open configuration;
FIG. 3 is a front side elevational view of the dispenser shown in FIG. 1;
FIG. 4 is a right side elevational view of the dispenser shown in FIG. 1;
FIG. 5 is a left side elevational view of the dispenser shown in FIG. 1;
FIG. 6 is a rear side elevational view of the dispenser shown in FIG. 1;
FIG. 7 is a top plan view of the dispenser shown in FIG. 1; and,
FIG. 8 is a bottom plan view of the dispenser shown in FIG. 1.
The broken lines in the figures are for the purpose of showing unclaimed environmental structure only and form no part of the claimed design.