I claim the ornamental design for the window shutter, as shown and described.
FIG. 1 is a perspective view of a window shutter showing my new design, with the louvers in a closed position.
FIG. 2 is a front view of FIG. 1.
FIG. 3 is a rear view of FIG. 1.
FIG. 4 illustrates a left side view of FIGS. 1 and 2.
FIG. 5 illustrates a right side view of FIGS. 1 and 2.
FIG. 6 illustrates a top view of FIGS. 1 and 2; and,
FIG. 7 illustrates a bottom view of FIGS. 1 and 2.
The window shutter is for locating proximate a window and with its horizontal shutter louvers shaping and casting light that passes through openings between those louvers to the extent, if any, to which the louvers are opened.