The ornamental design for furniture support, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a furniture support, the furniture support shown in use with a table, the table top shown is broken lines is for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a perspective view of a second embodiment of a furniture support, the furniture support shown in use with a chair, the chair top shown is broken lines is for illustrative purposes only and form no part of the claimed design;
FIG. 3 is a perspective view of one leg of the furniture support removed for ease of illustration;
FIG. 4 is a right-side elevational view of the furniture support, the left-side elevation view, the front elevation view, and the rear elevation view all being mirror images thereof;
FIG. 5 is a top plan view of the furniture support; and,
FIG. 6 is a bottom plan view of the furniture support.