fixing build bustage

a= ducarroz@netscape.com

docshell/base/nsDocShell.cpp

@@ -2353,7 +2353,7 @@ NS_IMETHODIMP nsDocShell::LoadHistoryEntry(nsISHEntry* aEntry)
    nsCOMPtr<nsIURI> uri;
    nsCOMPtr<nsIInputStream> postData;
 
-   NS_ENSURE_SUCCESS(aEntry->GetUri(getter_AddRefs(uri)), NS_ERROR_FAILURE);
+   NS_ENSURE_SUCCESS(aEntry->GetURI(getter_AddRefs(uri)), NS_ERROR_FAILURE);
    NS_ENSURE_SUCCESS(aEntry->GetPostData(getter_AddRefs(postData)),
       NS_ERROR_FAILURE);