The ornamental design for a door facing, as shown and described.
FIG. 1 is a front perspective view of our design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a cross sectional view taken along the line 6-6 of FIG. 2 and viewed in the direction of the arrows;
FIG. 7 is an enlarged fragmentary cross sectional view taken from FIG. 6;
FIG. 8 is a left side plan view;
FIG. 9 is a right side plan view; and,
FIG. 10 is a cross sectional view taken along the line 10-10 of FIG. 2 and viewed in the direction of the arrows.
The broken lines depict portions of the door facing that form no part of the claimed design. The broken line circles in FIGS. 6 and 7 indicate a boundary of the enlarged view and form no part of the claimed design.