The ornamental design for a dispenser, as shown and described.
FIG. 1 is a perspective view of the shower dispenser, shown with a single dispenser unit;
FIG. 2 is another perspective view of the shower dispenser of FIG. 1;
FIG. 3 is a left side view of the shower dispenser of FIG. 1;
FIG. 4 is a front view of the shower dispenser of FIG. 1;
FIG. 5 is a right side view of the shower dispenser of FIG. 1;
FIG. 6 is a rear view of the shower dispenser of FIG. 1;
FIG. 7 is a top view of the shower dispenser of FIG. 1;
FIG. 8 is a bottom view of the shower dispenser of FIG. 1;
FIG. 9 is a front view of the shower dispenser, shown with two dispenser units; and,
FIG. 10 is a front view of the shower dispenser, shown with three or more dispenser units.
The broken away symbols in the drawings indicate that any portion of the dispenser beyond what is shown forms no part of the claimed design. One or more dispenser units are repeated at regular intervals throughout the length of the article.