The ornamental design for a housing for luminaire, as shown and described.
FIG. 1 illustrates a perspective view of a housing for luminaire, showing our new and ornamental design;
FIG. 2 illustrates an additional perspective view thereof;
FIG. 3 illustrates a side view thereof;
FIG. 4 illustrates a front view thereof;
FIG. 5 illustrates a back view thereof;
FIG. 6 illustrates a top view thereof; and,
FIG. 7 illustrates a bottom view thereof.
The broken line showing of a housing for luminaire is included for the purpose of illustrating portions of the article that form no part of the claimed design.