The ornamental design for a bag-dispensing device, as shown and described.
FIG. 1 is a perspective view of a bag dispensing unit in accordance with a first embodiment of the present design;
FIG. 2 is a right-side elevational view of the bag dispensing unit of FIG. 1;
FIG. 3 is a front elevational view of the bag dispensing unit of FIG. 1;
FIG. 4 is a left-side elevational view of the bag dispensing unit of FIG. 1;
FIG. 5 is a rear elevational view of the bag dispensing unit of FIG. 1;
FIG. 6 is a top plan view of the bag dispensing unit of FIG. 1; and,
FIG. 7 is bottom plan view of the bag dispensing unit of FIG. 1.
The broken lines showing structural supports and peripheral components in each figure are for illustrative purposes only and form no part of the claimed design.