The ornamental design for an upright for a goal, as shown and described.
FIG. 1 is a perspective view of an upright for a goal according to our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line immediately adjacent the shaded areas represent the bounds of the claim, while the remainder of the broken lines are for illustrative purposes only. None of the broken lines form part any part of the claimed design.