The ornamental design for a rear-view side mirror, as shown and described.
FIG. 1 is a perspective view of a rear-view side mirror in accordance with the present invention;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a side perspective view thereof;
FIG. 5 is a top perspective view thereof; and,
FIG. 6 is a bottom perspective view thereof.
The broken line showing of the rear-view side mirror is for the purpose of illustrating portions of the article and forms no part of the claimed design.