Update pl-PL.json

Added translation to "spear" (previously missing due to outdated file)

Author: Salvyr310

languages/pl-PL.json

@@ -65,6 +65,7 @@
       "shield":"Tarcza",
       "crossbow": "Kusza",
       "brush": "Pędzel",
+      "spear": "Spear",
 
       "fishing_rod": "Wędka",
       "shears": "Nożyce",