The ornamental design for a girdle, as shown and described.
FIG. 1 is a front elevational view of a first preferred embodiment of the girdle.
FIG. 2 is a rear elevational view thereof.
FIG. 3 is a front elevational view of a second preferred embodiment of the girdle.
FIG. 4 is a rear elevational view thereof.
FIG. 5 is a front elevational view of a third preferred embodiment of the girdle; and,
FIG. 6 is a rear elevational view thereof.
The partial human figure shown in broken lines assists in illustrating how the claimed design may appear when worn and forms no part of the claimed design. The portions of the girdle shown in broken lines represent environmental structure that forms no part of the claimed design.