transfer: replace `false` with `FALSE`

Follow-up to c9afcecee94284e754d82354c79e4e37f09bff61 #16170

Closes #16177

diff --git a/lib/transfer.c b/lib/transfer.c
index ba4616138885c22180ef5f7806b5bd856030a0a3..c4b23a8f0cc083fbd44df748c590c2a221d94731 100644 (file)
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -176,9 +176,9 @@ static bool xfer_recv_shutdown_started(struct Curl_easy *data)
   int sockindex;
 
   if(!data || !data->conn)
-    return false;
+    return FALSE;
   if(data->conn->sockfd == CURL_SOCKET_BAD)
-    return false;
+    return FALSE;
   sockindex = (data->conn->sockfd == data->conn->sock[SECONDARYSOCKET]);
   return Curl_shutdown_started(data, sockindex);
 }