The ornamental design for an automatichaircurler, as shown and described.
FIG. 1 is a front elevational view of an automatic hair curler embodying my new design;
FIG. 2 is a left-side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right-side elevational view thereof; and,
FIG. 6 is a front, bottom and right-side perspective view thereof.
The evenly space broken lines illustrate portions of the automatic hair curler. The dash-dot-dash broken lines illustrate the bounds of the claimed design. The broken line disclosures form no part of the claimed design.