Needs update for classic ver 1.15.5

[Wraithlord2015]

Add on throws a ton of errors and does not work any longer on classic servers. Code needs to be updated.

Playing on Anniversary Classic Server Dreamscythe. To recreate error - you need simply turn the addon on, and log into the game.

[Wraithlord2015]

1x EnhancedFlightMap/ConfigScreen.lua:38: attempt to call global 'InterfaceOptions_AddCategory' (a nil value)
[string "@EnhancedFlightMap/ConfigScreen.lua"]:38: in function EnhancedFlightMap_RegConfig' [string "@EnhancedFlightMap/EnhancedFlightMap.lua"]:58: in function EnhancedFlightMap_OnEvent'
[string "*EnhancedFlightMap.xml:59_OnEvent"]:1: in function <[string "*EnhancedFlightMap.xml:59_OnEvent"]:1>

Locals:
EFM_GUI = EFM_GUI {
name = "Enhanced Flight Map"
}
(*temporary) = nil
(*temporary) = EFM_GUI {
name = "Enhanced Flight Map"
}
(*temporary) = "attempt to call global 'InterfaceOptions_AddCategory' (a nil value)"

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:58 Unrecognized XML: Backdrop

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:58 Unrecognized XML attribute: edgeFile

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:58 Unrecognized XML attribute: tile

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:59 Unrecognized XML: BackgroundInsets

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:60 Unrecognized XML: AbsInset

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:60 Unrecognized XML attribute: left

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:60 Unrecognized XML attribute: right

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:60 Unrecognized XML attribute: top

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:60 Unrecognized XML attribute: bottom

[Wraithlord2015]

1x EnhancedFlightMap/FlightStatus.xml:62 Unrecognized XML: TileSize