The ornamental design for a foldingtable, as shown and described.
FIG. 1 is a front, left side perspective view showing my new design, wherein the back, left side perspective view is a mirror image thereof;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof, wherein the back elevation view is a mirror image thereof;
FIG. 4 is a left side elevation view thereof, wherein the right side elevation view is a mirror image thereof; and,
FIG. 5 is a front elevation view thereof, wherein the back elevation view is a mirror image thereof, and wherein the embodiment of FIG. 5 is in a partially collapsed configuration.
The broken lines are for environmental purposes only and form no part of the claimed design.