We claim the ornamental design for a connector, as shown and described.
FIG. 1 is a perspective view of a connector according to the present invention;
FIG. 2 is a bottom view of the connector;
FIG. 3 is a top view of the connector;
FIG. 4 is a right side view of the connector;
FIG. 5 is a left side view of the connector;
FIG. 6 is a front view of the connector; and,
FIG. 7 is a rear view of the connector.
The cable portion shown with the connector is shown broken away with a solid, wavy cut-off line in all the figures to indicate no specific length, it being understood that it has a uniform shape and appearance through out its length.