The ornamental design for a container, as shown and described.
FIG. 1 is a perspective view of a container showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is left side view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of a fastener and circular compartments in FIGS. 1–7, and six small circular areas in FIGS. 1 and 2, is included for the purpose of illustrating portions of the container and forms no part of the claimed design.