Index: /trunk/src/VBox/Devices/PC/DrvACPI.cpp
===================================================================
--- /trunk/src/VBox/Devices/PC/DrvACPI.cpp	(revision 54961)
+++ /trunk/src/VBox/Devices/PC/DrvACPI.cpp	(revision 54962)
@@ -205,5 +205,5 @@
     size_t cbParameter = sizeof(fAcLine);
 
-    int rc = sysctlbyname("hw.acpi.acline", &fAcLine, &cbParameter, NULL, NULL);
+    int rc = sysctlbyname("hw.acpi.acline", &fAcLine, &cbParameter, NULL, 0);
 
     if (!rc)
@@ -464,5 +464,5 @@
         size_t cbParameter = sizeof(fBatteryState);
 
-        rc = sysctlbyname("hw.acpi.battery.state", &fBatteryState, &cbParameter, NULL, NULL);
+        rc = sysctlbyname("hw.acpi.battery.state", &fBatteryState, &cbParameter, NULL, 0);
         if (!rc)
         {
@@ -486,5 +486,5 @@
                 int curCapacity = 0;
                 cbParameter = sizeof(curCapacity);
-                rc = sysctlbyname("hw.acpi.battery.life", &curCapacity, &cbParameter, NULL, NULL);
+                rc = sysctlbyname("hw.acpi.battery.life", &curCapacity, &cbParameter, NULL, 0);
                 if (!rc && curCapacity >= 0)
                     *penmRemainingCapacity = (PDMACPIBATCAPACITY)curCapacity;
Index: /trunk/src/VBox/Runtime/r3/freebsd/fileaio-freebsd.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/freebsd/fileaio-freebsd.cpp	(revision 54961)
+++ /trunk/src/VBox/Runtime/r3/freebsd/fileaio-freebsd.cpp	(revision 54962)
@@ -125,5 +125,5 @@
                          &cbParameter,               /* Size of the memory pointed to. */
                          NULL,                       /* Where the new value is located. */
-                         NULL);                      /* Where the size of the new value is stored. */
+                         0);                         /* Where the size of the new value is stored. */
     if (rcBSD == -1)
     {
Index: /trunk/src/VBox/Runtime/r3/freebsd/mp-freebsd.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/freebsd/mp-freebsd.cpp	(revision 54961)
+++ /trunk/src/VBox/Runtime/r3/freebsd/mp-freebsd.cpp	(revision 54962)
@@ -94,5 +94,5 @@
     size_t  cbDriver = sizeof(szDriver);
     RT_ZERO(szDriver);                  /* this shouldn't be necessary. */
-    int rcBsd = sysctlbyname(szName, szDriver, &cbDriver, NULL, NULL);
+    int rcBsd = sysctlbyname(szName, szDriver, &cbDriver, NULL, 0);
     if (rcBsd == 0)
         return true;
@@ -155,5 +155,5 @@
 
     /* CPU's have a common frequency. */
-    int rc = sysctlbyname("dev.cpu.0.freq", &uFreqCurr, &cbParameter, NULL, NULL);
+    int rc = sysctlbyname("dev.cpu.0.freq", &uFreqCurr, &cbParameter, NULL, 0);
     if (rc)
         return 0;
@@ -177,5 +177,5 @@
      * levels but only the first one.
      */
-    int rc = sysctlbyname("dev.cpu.0.freq_levels", szFreqLevels, &cbFreqLevels, NULL, NULL);
+    int rc = sysctlbyname("dev.cpu.0.freq_levels", szFreqLevels, &cbFreqLevels, NULL, 0);
     if (   (rc && (errno != ENOMEM))
         || (cbFreqLevels == 0))