--- tigervnc-1.3.0/unix/xserver/hw/vnc/vncExtInit.cc.orig	2013-07-18 14:46:36.000000000 +0000
+++ tigervnc-1.3.0/unix/xserver/hw/vnc/vncExtInit.cc	2013-07-18 14:47:00.757116173 +0000
@@ -1070,7 +1070,7 @@
 {
   REQUEST(xVncExtApproveConnectReq);
   REQUEST_SIZE_MATCH(xVncExtApproveConnectReq);
-  if (queryConnectId == (void*)stuff->opaqueId) {
+  if (queryConnectId == (void*)(intptr_t)stuff->opaqueId) {
     for (int scr = 0; scr < screenInfo.numScreens; scr++) {
       if (desktop[scr]) {
         desktop[scr]->approveConnection(queryConnectId, stuff->approve,