The ornamental design for a dispenser, as shown and described.
FIG. 1 is a front, right side perspective view of a dispenser, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a front, right side perspective view thereof, shown without the cap for ease of illustration, and shown in environmental use.
The broken lines in the figures illustrate portions of the design that form no part of the claimed design. The broken lines in FIG. 8 illustrate environmental subject matter that form no part of the claimed design.