ntdll: Partially implement RtlRandomEx().

dlls/ntdll/ntdll.spec

@@ -839,7 +839,7 @@
 @ stdcall -norelay RtlRaiseException(ptr)
 @ stdcall RtlRaiseStatus(long)
 @ stdcall RtlRandom(ptr)
-@ stub RtlRandomEx
+@ stdcall RtlRandomEx(ptr)
 @ stdcall RtlReAllocateHeap(long long ptr long)
 @ stub RtlReadMemoryStream
 @ stub RtlReadOutOfProcessMemoryStream

dlls/ntdll/rtl.c

@@ -753,6 +753,15 @@ ULONG WINAPI RtlRandom (PULONG seed)
 
 
 /*************************************************************************
+ * RtlRandomEx   [NTDLL.@]
+ */
+ULONG WINAPI RtlRandomEx( ULONG *seed )
+{
+    WARN( "semi-stub: should use a different algorithm\n" );
+    return RtlRandom( seed );
+}
+
+/*************************************************************************
  * RtlAreAllAccessesGranted   [NTDLL.@]
  *
  * Check if all desired accesses are granted

dlls/ntoskrnl.exe/ntoskrnl.exe.spec

@@ -1144,7 +1144,7 @@
 @ stdcall RtlQueryTimeZoneInformation(ptr)
 @ stdcall -norelay RtlRaiseException(ptr)
 @ stdcall RtlRandom(ptr)
-@ stub RtlRandomEx
+@ stdcall RtlRandomEx(ptr)
 @ stub RtlRealPredecessor
 @ stub RtlRealSuccessor
 @ stub RtlRemoveUnicodePrefix