ctucx.git: nimhafas

bugfix: close connection after response

diff --git a/nimhafas/util.nim b/nimhafas/util.nim
@@ -49,6 +49,7 @@ proc request*(req: JsonNode): Future[JsonNode] {.async.} =
   let req = await client.request(url, httpMethod = HttpPost, body = $body)
   let resp = await req.body
   let data = parseJson(resp)
+  client.close
 
   let error = data{"svcResL"}{0}{"err"}.getStr()
   if error != "OK":