The ornamental design for a cockpit, as shown and described.
FIG. 1 is a front view of a cockpit according to my new design;
FIG. 2 is a back view of the cockpit of FIG. 1;
FIG. 3 is a top view of the cockpit of FIG. 1;
FIG. 4 is a bottom view of the cockpit of FIG. 1;
FIG. 5 is a first side view of the cockpit of FIG. 1;
FIG. 6 is a second side view of the cockpit of FIG. 1;
FIG. 7 is a first perspective view of the cockpit of FIG. 1; and,
FIG. 8 is a second perspective view of the cockpit of FIG. 1.
The claim is directed to a cockpit. In the drawings, the claimed design is defined by the shaded surfaces. The broken lines depict unclaimed environmental subject matter and form no part of the claim.