The ornamental design for an organizer for an infant changing table, as shown and described.
FIG. 1 is a perspective view of an organizer for an infant changing table;
FIG. 2 is a top view of the organizer for an infant changing table;
FIG. 3 is a bottom view of the organizer for an infant changing table;
FIG. 4 is a front elevation view of the organizer for an infant changing table;
FIG. 5 is a rear elevation view of the organizer for an infant changing table;
FIG. 6 is a right-side elevation view of the organizer for an infant changing table;
FIG. 7 is a left-side elevation view of the organizer for an infant changing table; and,
FIG. 8 is a front perspective view of the organizer for an infant changing table as positioned on the changing table support structure.
The evenly spaced broken lines used in FIGS. 1, and 3 through 8 depict portions of the article that do not form part of the claimed design. The double-dashed broken lines used in FIGS. 3 and 8 depict environmental subject matter that forms no part of the claimed design.