We claim the ornamental design for a gas strut support, as shown and described.
FIG. 1 is front perspective view of a gas strut support;
FIG. 2 is a rear perspective view of the gas strut support of FIG. 1;
FIG. 3 is a left side view of the gas strut support of FIG. 1;
FIG. 4 is a right side view of the gas strut support of FIG. 1;
FIG. 5 is a rear view of the gas strut support of FIG. 1;
FIG. 6 is a front view of the gas strut support of FIG. 1;
FIG. 7 is a top view of the gas strut support of FIG. 1;
FIG. 8 is a bottom view of the gas strut support of FIG. 1;
FIG. 9 is an environmental perspective view of the gas strut support of FIG. 1; and,
FIG. 10 is an environmental perspective view of the gas strut support of FIG. 1 in an alternate position.
The broken lines on the support represent portions of the article and form no part of the claimed design. The broken lines of the vehicle in FIGS. 9 and 10 represent environment and form no part of the claimed design.