Fix handling of 'HTTP/1.1 100 Continue' response

When we jump back to 'cont' it needs to fetch the next response line,
not just check the existing contents of the buffer (which will be an
empty line).

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

http.c

@@ -104,12 +104,12 @@ static int process_http_response(struct openconnect_info *vpninfo, int *result,
 	int http10 = 0, closeconn = 0;
 	int i;
 
+ cont:
 	if (openconnect_SSL_gets(vpninfo->https_ssl, buf, sizeof(buf)) < 0) {
 		vpninfo->progress(vpninfo, PRG_ERR, "Error fetching HTTPS response\n");
 		return -EINVAL;
 	}
 
- cont:
 	if (!strncmp(buf, "HTTP/1.0 ", 9)) {
 		http10 = 1;
 		closeconn = 1;