The ornamental design for a liquidsprayer, as shown and described.
FIG. 1 is a perspective view of a liquid sprayer showing my new design;
FIG. 2 is a top view of the liquid sprayer;
FIG. 3 is a front view of the liquid sprayer;
FIG. 4 is a rear view of the liquid sprayer;
FIG. 5 is a left side view of the liquid sprayer;
FIG. 6 is a bottom view of the liquid sprayer;
FIG. 7 is a perspective view of the liquid sprayer in use; and,
FIG. 8 is a perspective view of the liquid sprayer in use.
Right side views not shown are mirror images of left side views. The broken lines shown in the drawings are for the purpose of illustrating environment that forms no part of the claimed design.