The ornamental design for a logo for clothing, as shown and described.
FIG. 1 is a front elevational view of a logo for clothing showing my new design.
FIG. 2 is a reduced perspective view thereof shown in an environment of use; the broken lines in the drawing represent unclaimed environmental matter; and,
FIG. 3 is another reduced perspective view thereof shown in an alternate environment of use; the broken lines in the drawing represent unclaimed environmental matter.