The ornamental design for a dwellingstructure, as shown and described.
FIG. 1 is a perspective view of a dwelling structure, the perspective view partially from the front of the dwelling structure, partially from the right side of the dwelling structure, and partially from the top of the dwelling structure;
FIG. 2 is a front view of the dwelling structure of FIG. 1;
FIG. 3 is a back view of the dwelling structure of FIG. 1;
FIG. 4 is a left side view of the dwelling structure of FIG. 1;
FIG. 5 is a right side view of the dwelling structure of FIGS. 1; and,
FIG. 6 is a top view of the dwelling structure of FIG. 1, where the bottom forms no part of the design of the dwelling structure.
The broken lines in the embodiments of FIG. 1 though FIG. 6 depict portions of the dwelling that form no part of the claimed design.