Index: /trunk/src/VBox/Runtime/r0drv/powernotification-r0drv.c
===================================================================
--- /trunk/src/VBox/Runtime/r0drv/powernotification-r0drv.c	(revision 22819)
+++ /trunk/src/VBox/Runtime/r0drv/powernotification-r0drv.c	(revision 22820)
@@ -92,5 +92,5 @@
 {
     PRTPOWERNOTIFYREG pCur;
-    RTSPINLOCKTMP Tmp;
+    RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;;
     RTSPINLOCK hSpinlock;
 
@@ -164,5 +164,5 @@
     PRTPOWERNOTIFYREG pCur;
     PRTPOWERNOTIFYREG pNew;
-    RTSPINLOCKTMP Tmp;
+    RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;;
 
     /*
@@ -232,5 +232,5 @@
     PRTPOWERNOTIFYREG pPrev;
     PRTPOWERNOTIFYREG pCur;
-    RTSPINLOCKTMP Tmp;
+    RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;;
 
     /*
@@ -309,5 +309,5 @@
         {
             PRTPOWERNOTIFYREG pHead;
-            RTSPINLOCKTMP Tmp;
+            RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;;
 
             /** @todo OS specific term here */