The ornamental design for the wheel spray shield, shown and described.
FIG. 1 is a front and right-side perspective view of a wheel spray shield according to the invention;
FIG. 2 is a front view of the wheel spray shield of FIG. 1;
FIG. 3 is a back view of the wheel spray shield of FIG. 1;
FIG. 4 is a left side view of the wheel spray shield of FIG. 1;
FIG. 5 is a right-side view of the wheel spray shield of FIG. 1;
FIG. 6 is a bottom-side view of the wheel spray shield of FIG. 1; and,
FIG. 7 is a top-side view of the wheel spray shield of FIG. 1.
The broken line showing of the rear of the wheel spray shield in FIG. 3 is included for the purpose of illustrating unclaimed surfaces and forms no part of the claimed design.