fix warning

diff --git a/ssl/s3_pkt.c b/ssl/s3_pkt.c
index 293f91dfc15a1e4264881a4912d6eeb24524c605..f52303c7c3e0d171f2c31d0a0d6848c801d019b7 100644 (file)
--- a/ssl/s3_pkt.c
+++ b/ssl/s3_pkt.c
@@ -604,7 +604,7 @@ static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
                        if (prefix_len <= 0)
                                goto err;
 
-                       if (s->s3->wbuf_len < prefix_len + SSL3_RT_MAX_PACKET_SIZE)
+                       if (s->s3->wbuf_len < (size_t)prefix_len + SSL3_RT_MAX_PACKET_SIZE)
                                {
                                /* insufficient space */
                                SSLerr(SSL_F_DO_SSL3_WRITE, SSL_R_INTERNAL_ERROR);