The ornamental design for a roofracksupport for a passenger car, as shown and described.
FIG. 1 is a front perspective view of a roof rack support for a passenger
car, shown at an enlarged scale with the roof rack being shown in broken
lines according to our novel design; and,
FIG. 2 is a rear perspective view of a roof rack support for a passenger
car, with the roof rack, the opposite roof rack support and a portion of
the car being shown in broken lines according to our novel design.
The broken lines are for illustrative purposes only and do not form any
part of the claimed design. Those portions of the roof rack support not
shown in FIGS. 1 and 2 form no part of the claimed design.