The ornamental design for a cigar, as shown and described.
FIG. 1 is a perspective view of a cigar according to my new design;
FIG. 2 is a rear-end elevational view of the cigar of FIG. 1;
FIG. 3 is a front-end elevational view of the cigar of FIG. 1; and,
FIG. 4 is a left side elevational view of the cigar of FIG. 1 (the opposite
side elevational and top and bottom plan views of the cigar of FIG. 1 are
mirror images of this left side).