rpcrt4: Add stub for RpcMgmtEnableIdleCleanup.

dlls/rpcrt4/rpc_server.c

@@ -938,6 +938,15 @@ RPC_STATUS WINAPI RpcMgmtStopServerListening ( RPC_BINDING_HANDLE Binding )
 }
 
 /***********************************************************************
+ *             RpcMgmtEnableIdleCleanup (RPCRT4.@)
+ */
+RPC_STATUS WINAPI RpcMgmtEnableIdleCleanup(void)
+{
+    FIXME("(): stub\n");
+    return RPC_S_OK;
+}
+
+/***********************************************************************
  *             I_RpcServerStartListening (RPCRT4.@)
  */
 RPC_STATUS WINAPI I_RpcServerStartListening( HWND hWnd )

dlls/rpcrt4/rpcrt4.spec

@@ -423,7 +423,7 @@
 @ stub RpcInitializeAsyncHandle
 @ stub RpcMgmtBindingInqParameter # win9x
 @ stub RpcMgmtBindingSetParameter # win9x
-@ stub RpcMgmtEnableIdleCleanup
+@ stdcall RpcMgmtEnableIdleCleanup()
 @ stdcall RpcMgmtEpEltInqBegin(ptr long ptr long ptr ptr)
 @ stub RpcMgmtEpEltInqDone
 @ stub RpcMgmtEpEltInqNextA