I claim the ornamental design for a spout, as shown and described.
FIG. 1 is a front elevation view of a spout according to a first embodiment of the new design;
FIG. 2 is a rear elevation view of the first embodiment;
FIG. 3 is a left side elevation view of the first embodiment. This left side elevation view is substantially similar to the right side view (not shown);
FIG. 4 is a front elevation view of a spout according to a second embodiment;
FIG. 5 is a rear elevation view of the second embodiment;
FIG. 6 is a left side elevation view of the second embodiment. This left side elevation view is substantially similar to the right side view (not shown);
FIG. 7 is a front elevation view of a spout according to a third embodiment; and,
FIG. 8 is a front elevation view of a spout according to a fourth embodiment.