Fix trainer match call flags

src/pokenav_match_call_list.c

@@ -261,7 +261,7 @@ static u32 LoopedTask_BuildMatchCallList(s32 taskState)
 bool32 IsRematchEntryRegistered(int rematchIndex)
 {
     if (rematchIndex < REMATCH_TABLE_ENTRIES)
-        return FlagGet(FLAG_MATCH_CALL_REGISTERED + rematchIndex);
+        return FlagGet(TRAINER_REGISTERED_FLAGS_START + rematchIndex);
 
     return FALSE;
 }