Xi: Use WarpPointerProc hook on XI pointer warping implementation

Just like we do with XWarpPointer's.

Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

Xi/xiwarppointer.c

@@ -186,6 +186,10 @@ ProcXIWarpPointer(ClientPtr client)
     pDev->last.valuators[1] = y;
     miPointerUpdateSprite(pDev);
 
+    if (*newScreen->CursorWarpedTo)
+        (*newScreen->CursorWarpedTo) (pDev, newScreen, client,
+                                      dest, pSprite, x, y);
+
     /* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it
        here though. */
     return Success;