ntdll: Add stubs for Rtl[G/S]etCurrentTransaction.

dlls/ntdll/ntdll.spec

@@ -619,6 +619,7 @@
 @ stdcall RtlGetControlSecurityDescriptor(ptr ptr ptr)
 @ stdcall RtlGetCurrentDirectory_U(long ptr)
 @ stdcall RtlGetCurrentPeb()
+@ stdcall RtlGetCurrentTransaction()
 @ stdcall RtlGetDaclSecurityDescriptor(ptr ptr ptr ptr)
 @ stub RtlGetElementGenericTable
 # @ stub RtlGetElementGenericTableAvl
@@ -825,6 +826,7 @@
 @ stdcall RtlSetCriticalSectionSpinCount(ptr long)
 @ stdcall RtlSetCurrentDirectory_U(ptr)
 @ stdcall RtlSetCurrentEnvironment(wstr ptr)
+@ stdcall RtlSetCurrentTransaction(ptr)
 @ stdcall RtlSetDaclSecurityDescriptor(ptr long ptr long)
 @ stdcall RtlSetEnvironmentVariable(ptr ptr ptr)
 @ stdcall RtlSetGroupSecurityDescriptor(ptr ptr long)

dlls/ntdll/rtl.c

@@ -1323,3 +1323,21 @@ DWORD WINAPI RtlGetThreadErrorMode( void )
 {
     return NtCurrentTeb()->HardErrorDisabled;
 }
+
+/******************************************************************************
+ * RtlGetCurrentTransaction [NTDLL.@]
+ */
+HANDLE WINAPI RtlGetCurrentTransaction(void)
+{
+    FIXME("() :stub\n");
+    return NULL;
+}
+
+/******************************************************************************
+ * RtlSetCurrentTransaction [NTDLL.@]
+ */
+BOOL WINAPI RtlSetCurrentTransaction(HANDLE new_transaction)
+{
+    FIXME("(%p) :stub\n", new_transaction);
+    return FALSE;
+}