FIG. 1 is a front right top perspective view of an adaptor showing our new design;

FIG. 2 is a rear left top perspective view thereof;

FIG. 3 is a front left bottom perspective view thereof;

FIG. 4 is a rear right bottom perspective view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof; and,

FIG. 9 is a top plan view thereof.

The dot-dash broken lines represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating the unclaimed portions of the article; the broken lines form no part of the claimed design.