rpcrt4: Add stub implementations for NDRCContext(Un)Marshall.

dlls/rpcrt4/ndr_marshall.c

@@ -4344,3 +4344,16 @@ RPC_BINDING_HANDLE WINAPI NDRCContextBinding(NDR_CCONTEXT CContext)
     FIXME("(%p): stub\n", CContext);
     return NULL;
 }
+
+void WINAPI NDRCContextMarshall(NDR_CCONTEXT CContext, void *pBuff)
+{
+    FIXME("(%p %p): stub\n", CContext, pBuff);
+}
+
+void WINAPI NDRCContextUnmarshall(NDR_CCONTEXT *CContext,
+                                  RPC_BINDING_HANDLE hBinding,
+                                  void *pBuff,
+                                  unsigned long DataRepresentation)
+{
+    FIXME("(%p %p %p %08lx): stub\n", CContext, hBinding, pBuff, DataRepresentation);
+}

dlls/rpcrt4/rpcrt4.spec

@@ -138,8 +138,8 @@
 @ stub MqGetContext # win9x
 @ stub MqRegisterQueue # win9x
 @ stdcall NDRCContextBinding(ptr)
-@ stub NDRCContextMarshall
-@ stub NDRCContextUnmarshall
+@ stdcall NDRCContextMarshall(ptr ptr)
+@ stdcall NDRCContextUnmarshall(ptr ptr ptr long)
 @ stub NDRSContextMarshall2
 @ stub NDRSContextMarshall
 @ stub NDRSContextMarshallEx