Update data/fields/building.json

Co-authored-by: Mateusz Konieczny <matkoniecz@gmail.com>

Author: ak8abhinay

data/fields/building.json

@@ -7,7 +7,7 @@
             "allotment_house": "Allotment House",
             "apartments": "Apartment Building",
             "barn": "Barn",
-            "barracks": "Barrack Building",
+            "barracks": "Barracks Building",
             "boathouse": "Boathouse",
             "bungalow": "Bungalow",
             "bunker": "Bunker",