From 5374a0a3cfa5e4627e2de028da8923de3921ad0a Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Mon, 19 Apr 2021 13:54:41 +0200
Subject: [PATCH] Fix compiler warning.

---
 src/lj_serialize.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lj_serialize.c b/src/lj_serialize.c
index ae35a6dd..be09d670 100644
--- a/src/lj_serialize.c
+++ b/src/lj_serialize.c
@@ -224,11 +224,13 @@ static char *serialize_put(char *w, StrBuf *sbuf, cTValue *o)
       ud = lj_bswap(ud);
 #endif
       *w++ = SER_TAG_LIGHTUD32; memcpy(w, &ud, 4); w += 4;
+#if LJ_64
     } else {
 #if LJ_BE
       ud = lj_bswap64(ud);
 #endif
       *w++ = SER_TAG_LIGHTUD64; memcpy(w, &ud, 8); w += 8;
+#endif
     }
   } else {
     /* NYI userdata */