Fix SEGFAULT in nif_lists_reverse

A hardcoded `2` as roots count is invalid when nif is called as
lists:reverse/1

Author: bblaszkow06

src/libAtomVM/nifs.c

@@ -4935,7 +4935,7 @@ static term nif_lists_reverse(Context *ctx, int argc, term argv[])
         RAISE_ERROR(BADARG_ATOM);
     }
 
-    if (UNLIKELY(memory_ensure_free_with_roots(ctx, len * CONS_SIZE, 2, argv, MEMORY_CAN_SHRINK) != MEMORY_GC_OK)) {
+    if (UNLIKELY(memory_ensure_free_with_roots(ctx, len * CONS_SIZE, argc, argv, MEMORY_CAN_SHRINK) != MEMORY_GC_OK)) {
         RAISE_ERROR(OUT_OF_MEMORY_ATOM);
     }