The ornamental design for a hinge for a portable electronic device, as shown and described.
FIG. 1 is a perspective view of a hinge for portable electronic device showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 front perspective view thereof in an open position;
FIG. 8 is a rear perspective view thereof; and,
FIG. 9 is a right side elevational view thereof.
The broken lines shown in the figures immediately adjacent to the solid lines represent the bounds of the claimed design, while all other lines are directed to environment and form no part of the claimed design.