API SetRaidTargetIcon

Sets or clears a Raidicon on top of a unit. SetRaidTargetIcon("unit", index)

Arguments

 * unit : String - UnitID, e.g. "target"
 * index : Integer - Raid icon index; 0 to remove any icons from the unit.
 * 1 = Yellow 4-point Star
 * 2 = Orange Circle
 * 3 = Purple Diamond
 * 4 = Green Triangle
 * 5 = White Crescent Moon
 * 6 = Blue Square
 * 7 = Red "X" Cross
 * 8 = White Skull