fix type, add bugfix

src/battle_ai_switch_items.c

@@ -628,7 +628,11 @@ static void ModulateByTypeEffectiveness(u8 atkType, u8 defType1, u8 defType2, u8
 u8 GetMostSuitableMonToSwitchInto(void)
 {
     u8 opposingBattler;
+#ifdef BUGFIX
+    s32 bestDmg;
+#else
     u8 bestDmg; // Note: should be changed to s32 since it is also used for the actual damage done later
+#endif
     u8 bestMonId;
     u8 battlerIn1, battlerIn2;
     s32 firstId;
@@ -684,8 +688,8 @@ u8 GetMostSuitableMonToSwitchInto(void)
 
     while (invalidMons != 0x3F) // All mons are invalid.
     {
-        bestDmg = ;
-        bestMonId = 6;
+        bestDmg = TYPE_MUL_NO_EFFECT;
+        bestMonId = PARTY_SIZE;
         // Find the mon whose type is the most suitable offensively.
         for (i = firstId; i < lastId; i++)
         {