Index: /trunk/src/VBox/VMM/PGMPhys.cpp
===================================================================
--- /trunk/src/VBox/VMM/PGMPhys.cpp	(revision 30837)
+++ /trunk/src/VBox/VMM/PGMPhys.cpp	(revision 30838)
@@ -3254,5 +3254,5 @@
     PVM                 pVM;            /**< The VM handle. */
     PPGMCHUNKR3MAP      pChunk;         /**< The chunk to unmap. */
-    int32_t             iLastAge;       /**< Highest age found so far. */
+    uint32_t            iLastAge;       /**< Highest age found so far. */
 } PGMR3PHYSCHUNKUNMAPCB, *PPGMR3PHYSCHUNKUNMAPCB;