The ornamental design for a gooseneckledfixture, as shown and described.
FIG. 1 is a top perspective view of the new design;
FIG. 2 is a front view of the new design;
FIG. 3 is a right view of the new design;
FIG. 4 is a left view of the new design;
FIG. 5 is a rear view of the new design;
FIG. 6 is a top view of the new design;
FIG. 7 is a bottom view of the new design; and,
FIG. 8 is a bottom perspective view of the new design.
The broken lines shown in the drawings are for the purpose of illustrating portions of the article that form no part of the claimed design. The lamp arm is shown broken away in FIGS. 1, 3, 4, 6, 7 and 8 to show that no particular length is claimed.