support RPC stop and encryptwallet with UI

src/noui.h

@@ -7,6 +7,7 @@
 
 #include <string>
 #include "wallet.h"
+#include "init.h"
 
 typedef void wxWindow;
 #define wxYES                   0x00000002
@@ -71,4 +72,10 @@ inline const char* _(const char* psz)
     return psz;
 }
 
+inline void QueueShutdown()
+{
+    // Without UI, Shutdown can simply be started in a new thread
+    CreateThread(Shutdown, NULL);
+}
+
 #endif