Fix version checking (>=3.8) for rfbVncAuthOK confirmation when no password required

It seems that vino does not send AuthOK  when there is no password with
anonymous TLS, and it seems that vino is the only <3.8 VNC server that
handles anonymous TLS at all, so let's not wait for the packet that will
never come.

Signed-off-by: Vic Lee <llyzs@163.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

libvncclient/rfbproto.c

@@ -809,7 +809,7 @@ InitialiseRFBConnection(rfbClient* client)
     rfbClientLog("No authentication needed\n");
 
     /* 3.8 and upwards sends a Security Result for rfbNoAuth */
-    if (client->major==3 && client->minor > 7)
+    if ((client->major==3 && client->minor > 7) || client->major>3)
         if (!rfbHandleAuthResult(client)) return FALSE;        
 
     break;
@@ -838,7 +838,9 @@ InitialiseRFBConnection(rfbClient* client)
 
       case rfbNoAuth:
         rfbClientLog("No sub authentication needed\n");
-        if (!rfbHandleAuthResult(client)) return FALSE;
+        /* 3.8 and upwards sends a Security Result for rfbNoAuth */
+        if ((client->major==3 && client->minor > 7) || client->major>3)
+            if (!rfbHandleAuthResult(client)) return FALSE;
         break;
 
       case rfbVncAuth: