An ornamentaldesign for a connector, as shown and described.
FIG. 1 is a front perspective view of a connector showing our new invention;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left side view thereof; and,
FIG. 8 is a right side view thereof.
The broken lines shown in the drawings represents unclaimed environment and form no parts of the claimed design, the dotted lines also represent the boundaries of the claimed design. The dash-dot line represents the boundaries of the claimed design.