network: fix poll(2) call fd
Fixes small bug	for
(commit b8689c0afbcf308f1844b8e1611381ada80c8f6d)
One was	added accidentally to fd.
pfd_read.fd = fd + 1; => pfd_read.fd = fd;
@@ -270,7 +270,7 @@ static int net_connect_sync(int fd, const struct sockaddr *addr, socklen_t addrl
* for this use case.
*/
- pfd_read.fd = fd + 1;
+ pfd_read.fd = fd;
pfd_read.events = POLLIN;
ret = poll(&pfd_read, 1, connect_timeout * 1000);
if (ret == 0) {
