We claim the ornamental design for a connector, as shown and described.
FIG. 1 is a top perspective view of a connector showing our new invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a first side elevation view thereof, the second side elevation view being a mirror image thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is an enlarged cross-section view taken along the line 6-6 of FIG. 2; and,
FIG. 7 is an enlarged cross-section view taken along the line 7-7 of FIG. 2.
The broken line in the figure drawings is included for the purpose of illustrating environment and forms no part of the claimed design. The dash-dot line represents the boundary of the claimed design.