The ornamental design for a light fixtureendcap, as shown and described.
FIG. 1 is a perspective view of a light fixture end cap showing my new design in its intended environment as end cap portions of a generally tubular light fixture.
FIG. 2 is a top view of the light fixture end cap shown in FIG. 1.
FIG. 3 is a bottom view of the light fixture end cap shown in FIG. 1.
FIG. 4 is a right side view of the light fixture end cap shown in FIG. 1, a left side view being a mirror image thereof.
FIG. 5 is a front view of the light fixture end cap shown in FIG. 1; and,
FIG. 6 is a rear view of the light fixture end cap shown in FIG. 1.
The broken line portion of the Figures is for illustrative purposes only and forms no part of the claimed invention.