Correct ClearRankingHallRecords bugfix

src/frontier_util.c

@@ -2383,10 +2383,10 @@ void ClearRankingHallRecords(void)
 {
     s32 i, j, k;
 
-    // BUG: Passing 0 as a pointer instead of a pointer holding a value of 0.
+    // UB: Passing 0 as a pointer instead of a pointer holding a value of 0.
-    #ifdef BUGFIX
+#ifdef UBFIX
-    u8 zero = 0;
+    u8 emptyId[TRAINER_ID_LENGTH] = {0};
-    #define ZERO (&zero)
+    #define ZERO emptyId
 #else
     #define ZERO 0
 #endif