The ornamental design for a connector, as shown and described.
FIG. 1 is a front elevational view of a connector showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view showing a front, top and right side thereof;
FIG. 8 is a perspective view showing a rear, bottom and left side thereof;
FIG. 9 is a perspective view showing a front, right and bottom side thereof; and,
FIG. 10 is a perspective view showing a rear, left and top side thereof.
The equal-length broken lines in the drawings depict portions of the connector that form no part of the claimed design. The equal-length broken lines immediately adjacent to the shaded area define the unclaimed boundaries of the design.