avoid c99 construct, we do not yet require c99 elsewhere

1 files changed, 2 insertions, 1 deletions

diff --git a/src/examples/upgrade_example.c b/src/examples/upgrade_example.c
index f77f58fc..7a893d2f 100644
--- a/src/examples/upgrade_example.c
+++ b/src/examples/upgrade_example.c
@@ -68,9 +68,10 @@ send_all (MHD_socket sock,
           size_t len)
 {
   ssize_t ret;
+  size_t off;
 
   make_blocking (sock);
-  for (size_t off = 0; off < len; off += ret)
+  for (off = 0; off < len; off += ret)
     {
       ret = send (sock,
                   &buf[off],