Index: /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibMisc.cpp
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibMisc.cpp	(revision 23842)
+++ /trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibMisc.cpp	(revision 23843)
@@ -204,5 +204,5 @@
     /* Check the new path first. */
     r = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Sun\\VirtualBox Guest Additions", 0, KEY_READ, &hKey);
-#ifdef RT_ARCH_AMD64
+# ifdef RT_ARCH_AMD64
     if (r != ERROR_SUCCESS)
     {
@@ -210,5 +210,5 @@
         r = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Wow6432Node\\Sun\\VirtualBox Guest Additions", 0, KEY_READ, &hKey);
     }
-#endif
+# endif
 
     /* Still no luck? Then try the old xVM paths ... */
@@ -216,5 +216,5 @@
     {
         r = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Sun\\xVM VirtualBox Guest Additions", 0, KEY_READ, &hKey);
-#ifdef RT_ARCH_AMD64
+# ifdef RT_ARCH_AMD64
         if (r != ERROR_SUCCESS)
         {
@@ -222,5 +222,5 @@
             r = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Wow6432Node\\Sun\\xVM VirtualBox Guest Additions", 0, KEY_READ, &hKey);
         }
-#endif
+# endif
     }
 
@@ -251,4 +251,5 @@
         RegCloseKey(hKey);
 #else
+    rc = VERR_NOT_IMPLEMENTED;
 #endif /* RT_OS_WINDOWS */
     return rc;