Index: /trunk/src/VBox/Additions/x11/VBoxClient/display.cpp
===================================================================
--- /trunk/src/VBox/Additions/x11/VBoxClient/display.cpp	(revision 54185)
+++ /trunk/src/VBox/Additions/x11/VBoxClient/display.cpp	(revision 54186)
@@ -174,5 +174,5 @@
 static void updateSizeHintsProperty(struct DISPLAYSTATE *pState)
 {
-    int32_t *paSizeHints = (int32_t *)RTMemTmpAllocZ(pState->cScreensTracked * sizeof(int32_t));
+    unsigned long *paSizeHints = (unsigned long *)RTMemTmpAllocZ(pState->cScreensTracked * sizeof(unsigned long));
     unsigned i;