The ornamental design for a dispenser, as shown and described.
FIG. 1 is a right front perspective view of a dispenser showing the new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Oblique line shading shown in the drawings is included for the purpose of illustrating transparent and/or translucent surfaces. Different stippling patterns shown in the drawings are included for the purpose of illustrating different materials and/or colors that are used in the respective portions of the design.
The broken lines show portions of the design that form no part of the claimed design.