We claim the ornamental design for garment fastener, as shown.
FIG. 1 is perspective view of a garment fastener according to an embodiment of the invention.
FIG. 2 is a front elevational view of a garment fastener according to an embodiment of the invention.
FIG. 3 is a top plan view of a garment fastener according to an embodiment of the invention.
FIG. 4 is a back elevational view of a garment fastener according to an embodiment of the invention.
FIG. 5 is a bottom plan view of a garment fastener according to an embodiment of the invention; and,
FIG. 6 is a side elevational view of a garment fastener according to an embodiment of the invention.
The other side elevational view of the garment fastener is similar to FIG. 6.
The broken lines shown throughout the drawings are included for the purpose of illustrating environmental matter and form no part of the claimed design.