Index: /trunk/src/VBox/VMM/include/PDMBlkCacheInternal.h
===================================================================
--- /trunk/src/VBox/VMM/include/PDMBlkCacheInternal.h	(revision 38884)
+++ /trunk/src/VBox/VMM/include/PDMBlkCacheInternal.h	(revision 38885)
@@ -251,7 +251,12 @@
 
 #ifdef VBOX_WITH_STATISTICS
+
+#if HC_ARCH_BITS == 64
     uint32_t                      u32Alignment;
+#endif
     /** Number of times a write was deferred because the cache entry was still in progress */
     STAMCOUNTER                   StatWriteDeferred;
+    /** Number appended cache entries. */
+    STAMCOUNTER                   StatAppendedWrites;
 #endif