The ornamental design for a vendingmachine, as shown and described.
FIG. 1 is a front perspective view of the vending machine, with a window, a control panel, and a product retrieval area shown in broken lines, and forming no part of the claimed design;
FIG. 2 is a front elevational view of the vending machine of FIG. 1;
FIG. 3 is a rear elevational view of the vending machine of FIG. 1;
FIG. 4 is left side elevational view of the vending machine of FIG. 1;
FIG. 5 is a right side elevational view of the vending machine of FIG. 1;
FIG. 6 is a top plan view of the vending machine of FIG. 1; and,
FIG. 7 is a bottom plan view of the vending machine of FIG. 1.