I claim the ornamental design for a spout, as shown and described.
FIG. 1 is a top, front, right perspective view of an embodiment of the claimed design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left elevation view thereof;
FIG. 5 is a right elevation view thereof;
FIG. 6 is a top, plan view thereof; and,
FIG. 7 is a bottom, plan view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. Broken lines formed by equal length dashes show unclaimed subject matter. Broken away symbols having a jagged element show that no particular length of the portion is claimed.