FIG. 1 is a front elevational view of a first embodiment of an icon for a computer housing, the broken line drawing of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front perspective view of the icon for a computer housing of FIG. 1, on a reduced scale, the broken line drawing of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 3 is a front perspective view of the icon for a computer housing of FIG. 1, the broken line drawing of a portion of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 4 is a front elevational view of the icon for a computer housing of FIG. 1, on a greatly enlarged scale, the broken line drawing of a portion of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 5 is a front elevational view of a second embodiment of an icon for a computer housing, the broken line drawing of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 6 is a front perspective view of the icon for a computer housing of FIG. 5, on a reduced scale, the broken line drawing of a computer housing is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 7 is a front perspective view of the icon for a computer housing of FIG. 5, the broken line drawing of a portion of a computer housing is shown for illustrative purposes only and forms no part of the claimed design; and,

FIG. 8 is a front elevational view of the icon for a computer housing of FIG. 5, on a greatly enlarged scale, the broken line drawing of a portion of a computer housing is shown for illustrative purposes only and forms no part of the claimed design.