Assign unique ID to single-soldier coin training addon

Author: DevOpsOfChaos

libs/s25main/addons/const_addons.h

@@ -81,7 +81,7 @@ ENUM_WITH_STRING(AddonId, LIMIT_CATAPULTS = 0x00000000, INEXHAUSTIBLE_MINES = 0x
 
                  FORESTER_FARM_FIELD_AVOIDANCE = 0x01100000,
 
-                 SINGLE_SOLDIER_COIN_TRAINING = 0x01100001,
+                 SINGLE_SOLDIER_COIN_TRAINING = 0x01100002,
 
                  FORESTER_REACH_RADIUS = 0x01200000, WOODCUTTER_REACH_RADIUS = 0x01200001,
                  STONEMASON_REACH_RADIUS = 0x01200002)