ole32: The server principal name can be the constant COLE_DEFAULT_PRINCIPAL.

dlls/ole32/marshal.c

@@ -553,9 +553,9 @@ static HRESULT WINAPI ProxyCliSec_SetBlanket(IClientSecurity *iface,
                                              void *pAuthInfo,
                                              DWORD Capabilities)
 {
-    FIXME("(%p, %d, %d, %s, %d, %d, %p, 0x%x): stub\n", pProxy, AuthnSvc,
-          AuthzSvc, debugstr_w(pServerPrincName), AuthnLevel, ImpLevel,
-          pAuthInfo, Capabilities);
+    FIXME("(%p, %d, %d, %s, %d, %d, %p, 0x%x): stub\n", pProxy, AuthnSvc, AuthzSvc,
+          pServerPrincName == (OLECHAR*)COLE_DEFAULT_PRINCIPAL ? "<default principal>" : debugstr_w(pServerPrincName),
+          AuthnLevel, ImpLevel, pAuthInfo, Capabilities);
     return E_NOTIMPL;
 }
 

dlls/ole32/ole32.spec

@@ -70,7 +70,7 @@
 @ stdcall CoRevokeClassObject(long)
 @ stdcall CoRevokeInitializeSpy(double)
 @ stdcall CoRevokeMallocSpy()
-@ stdcall CoSetProxyBlanket(ptr long long wstr long long ptr long)
+@ stdcall CoSetProxyBlanket(ptr long long ptr long long ptr long)
 @ stdcall CoSetState(ptr)
 @ stdcall CoSuspendClassObjects()
 @ stdcall CoSwitchCallContext(ptr ptr)