examples/websocket: fix use of uninitialized rlen

Pointed out by ZeroPath

Closes #19088

diff --git a/docs/examples/websocket.c b/docs/examples/websocket.c
index be6cff64a2d7be48315829380556ad7cbda4a574..0063f1b59c63c389ac46b6882284f3298cef73d2 100644 (file)
--- a/docs/examples/websocket.c
+++ b/docs/examples/websocket.c
@@ -64,7 +64,7 @@ static CURLcode ping(CURL *curl, const char *send_payload)
 
 static CURLcode recv_pong(CURL *curl, const char *expected_payload)
 {
-  size_t rlen;
+  size_t rlen = 0;
   const struct curl_ws_frame *meta;
   char buffer[256];
   CURLcode res;