The ornamental design for a fishingrig, as shown and described.
FIG. 1 is a perspective view of a fishing rig made up of a fishing line connected to a swivel having two round eyelets of different sizes with the fishing line connected to the smaller eyelet; and,
FIG. 2 is a close up of the fishing rig of FIG. 1 showing the swivel and the fishing line connected to the swivel and a hook.
The broken line showing of environment in the drawings is included for the purpose of illustrating only and forms no part of the claimed design.