The ornamental design for a cover for recessed lightfixture, as shown and described.
FIG. 1 is a side view of a cover for recessed light fixture, showing the new design.
FIG. 2 is a front view thereof;
FIG. 3 is another side view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof; and,
FIG. 8 is another perspective view thereof, wherein the cover is positioned below an example embodiment of a recessed light fixture for illustrative purposes.
The short broken lines in the drawings illustrate portions of the cover for recessed light fixture, which form no part of the claimed design.