Undefined ORIGINAL_MISSION_OFFSET TextID in Windurst zones

[wrenffxi]

I have:

• searched existing issues (http://github.com/darkstarproject/darkstar/issues/) to see if the issue I am posting has already been addressed or opened by another contributor
• checked the commit log to see if my issue has been resolved since my server was last updated

Client Version (type /ver in game) : N/A

Source Branch (master/stable) : master

Additional Information (Steps to reproduce/Expected behavior) :

Several NPCs in Windurst zones reference an undefined variable ORIGINAL_MISSION_OFFSET, for example ...
https://github.com/DarkstarProject/darkstar/blob/master/scripts/zones/Windurst_Woods/npcs/Rakoh_Buuma.lua#L25

This is supposed to be ID.text.ORIGINAL_MISSION_OFFSET, a TextID that should be defined in the zone's IDs.lua, but isn't. You can see similar configuration in Bastok, for example:

(Bastok Markets ID.text.ORIGINAL_MISSION_OFFSET defined)
https://github.com/DarkstarProject/darkstar/blob/master/scripts/zones/Bastok_Markets/IDs.lua#L23

(and used)
https://github.com/DarkstarProject/darkstar/blob/master/scripts/zones/Bastok_Markets/npcs/Cleades.lua#L43

However, I don't know what message the NPC is supposed to say, so I can't infill the missing TextID.

note: I checked out old version of the code, before we tabled all the text IDs, and all the Windy zones were missing ORIGINAL_MISSION_OFFSET in the old TextIDs.lua too, so that didn't help.