Index: /trunk/src/VBox/HostDrivers/Support/darwin/SUPDrv-darwin.cpp
===================================================================
--- /trunk/src/VBox/HostDrivers/Support/darwin/SUPDrv-darwin.cpp	(revision 37092)
+++ /trunk/src/VBox/HostDrivers/Support/darwin/SUPDrv-darwin.cpp	(revision 37093)
@@ -361,6 +361,11 @@
     if (pCred)
     {
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
+        RTUID           Uid =  pCred->posix_cred.cr_ruid;
+        RTGID           Gid = pCred->posix_cred.cr_rgid;
+#else
         RTUID           Uid =  pCred->cr_ruid;
         RTGID           Gid = pCred->cr_rgid;
+#endif
         RTPROCESS       Process = RTProcSelf();
         unsigned        iHash = SESSION_HASH(Process);