hlink: Site data should only be set if the hlink has an HlinkSite.

dlls/hlink/link.c

@@ -211,10 +211,11 @@ static HRESULT WINAPI IHlink_fnGetHlinkSite( IHlink* iface,
     TRACE("(%p)->(%p %p)\n", This, ppihlSite, pdwSiteData);
 
     *ppihlSite = This->Site;
-    *pdwSiteData = This->SiteData;
 
-    if (This->Site)
+    if (This->Site) {
         IHlinkSite_AddRef(This->Site);
+        *pdwSiteData = This->SiteData;
+    }
 
     return S_OK;
 }

dlls/hlink/tests/hlink.c

@@ -1788,7 +1788,7 @@ static void test_HlinkClone(void)
     hres = IHlink_GetHlinkSite(cloned, &fnd_site, &fnd_data);
     ok(hres == S_OK, "GetHlinkSite failed: %08x\n", hres);
     ok(fnd_site == NULL, "Expected NULL site\n");
-    todo_wine ok(fnd_data == 4, "Expected site data to be 4, was: %d\n", fnd_data);
+    ok(fnd_data == 4, "Expected site data to be 4, was: %d\n", fnd_data);
 
     IHlink_Release(cloned);
     IHlink_Release(hl);

dlls/mshtml/tests/htmldoc.c

@@ -708,7 +708,6 @@ static HRESULT WINAPI HlinkFrame_Navigate(IHlinkFrame *iface, DWORD grfHLNF, LPB
         hres = IHlink_GetHlinkSite(pihlNavigate, &site, &site_data);
         ok(hres == S_OK, "GetHlinkSite failed: %08x\n", hres);
         ok(site == NULL, "site = %p\n, expected NULL\n", site);
-        todo_wine
         ok(site_data == 0xdeadbeef, "site_data = %x\n", site_data);
     }