The ornamental design for a garmentorganizer, as shown and described.
FIG. 1 is a front view of a garment organizer showing my new design;
FIG. 2 is a rear view of the garment organizer;
FIG. 3 is a right side view of the garment organizer;
FIG. 4 is a left side view of the garment organizer;
FIG. 5 is a top view of the garment organizer;
FIG. 6 is a bottom view of the garment organizer;
FIG. 7 is a top front side perspective view of the garment organizer; and,
FIG. 8 is a front view of the garment organizer in use.
The broken lines in FIG. 8 showing the two bottom side hooks and the bag depict environmental subject matter only and form no part of the claim, while all other broken lines depict potions of the garment organizer that form no part of the claimed design.