city_rally_point_receive(): Give parameters nonnull attribute
NULL parameter for city_rally_point_receive() would crash it (as warned by clang analyzer). No caller passes NULL, but to make that known to the tools, and to make sure future callers comply too, give the parameters nonnull attribute.
NULL parameter for city_rally_point_receive() would crash it (as warned by clang analyzer). No caller passes NULL, but to make that known to the tools, and to make sure future callers comply too, give the parameters nonnull attribute.