Index: /trunk/src/VBox/Frontends/VBoxSDL/Helper.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxSDL/Helper.cpp	(revision 37938)
+++ /trunk/src/VBox/Frontends/VBoxSDL/Helper.cpp	(revision 37939)
@@ -128,5 +128,6 @@
     {
         RTTHREAD Thread;
-        rc = RTThreadCreate(&Thread, xpcomEventThread, (void *)eqFD, 0, RTTHREADTYPE_MSG_PUMP, 0, "XPCOMEvent");
+        rc = RTThreadCreate(&Thread, xpcomEventThread, (void *)(intptr_t)eqFD, 
+                            0, RTTHREADTYPE_MSG_PUMP, 0, "XPCOMEvent");
     }
     AssertRC(rc);