rpcrt4: Add a stub for I_RpcMapWin32Status.

dlls/rpcrt4/rpcrt4.spec

@@ -59,7 +59,7 @@
 @ stub I_RpcIfInqTransferSyntaxes
 @ stub I_RpcLaunchDatagramReceiveThread # win9x
 @ stub I_RpcLogEvent
-@ stub I_RpcMapWin32Status
+@ stdcall I_RpcMapWin32Status(long)
 @ stub I_RpcMonitorAssociation
 @ stub I_RpcNegotiateTransferSyntax # wxp
 @ stub I_RpcNsBindingSetEntryName

dlls/rpcrt4/rpcrt4_main.c

@@ -816,3 +816,12 @@ void WINAPI I_RpcFree(void *Object)
 {
     HeapFree(GetProcessHeap(), 0, Object);
 }
+
+/******************************************************************************
+ * I_RpcMapWin32Status   (rpcrt4.@)
+ */
+DWORD WINAPI I_RpcMapWin32Status(RPC_STATUS status)
+{
+    FIXME("(%ld): stub\n", status);
+    return 0;
+}