oUF: adjust validateToken (no functionality change)

Author: kodewdle

ElvUI_Libraries/Game/Shared/oUF/events.lua

@@ -66,7 +66,7 @@ function Private.UpdateUnits(frame, unit, realUnit)
 		end
 
 		frame.realUnit = realUnit
-		frame.unit = validateToken(unit) or nil
+		frame.unit = validateToken(unit)
 		frame.id = unit:match('^.-(%d+)')
 
 		return true

ElvUI_Libraries/Game/Shared/oUF/private.lua

@@ -45,7 +45,7 @@ function Private.unitExists(unit)
 end
 
 function Private.validateToken(unit)
-	return pcall(UnitHealth, unit) and unit
+	return pcall(UnitHealth, unit) and unit or nil
 end
 
 do