FIG. 1 is a front elevational view of a rail connector showing my new design;
FIG. 2 is a front and side perspective view thereof;
FIG. 3 is a top perspective view thereof;
FIG. 4 is a rear and side perspective view thereof;
FIG. 5 is a bottom perspective view thereof;
FIG. 6 is a front perspective view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a rear and side perspective view of FIG. 6;
FIG. 9 is a bottom perspective view of FIG. 6;
FIG. 10 is a side elevational view of FIG. 6;
FIG. 11 is a bottom plan view of FIG. 6;
FIG. 12 is a rear elevational view of FIG. 6;
FIG. 13 is a perspective view of the rail connector of FIG. 6, with the broken lines being for illustrative purposes only and forming no part of the claimed design; and,
FIG. 14 is a perspective view of the rail connector of FIG. 1, with the broken lines being for illustrative purposes only and forming no part of the claimed design.