msi: Resolve the target folder if necessary when building link filenames.

dlls/msi/action.c

@@ -3518,7 +3518,17 @@ static WCHAR *get_link_file( MSIPACKAGE *package, MSIRECORD *row )
 
     directory = MSI_RecordGetString( row, 2 );
     link_folder = msi_get_target_folder( package, directory );
-
+    if (!link_folder)
+    {
+        /* some installers use a separate root */
+        MSIFOLDER *folder = msi_get_loaded_folder( package, directory );
+        while (folder->Parent && strcmpW( folder->Parent, folder->Directory ))
+        {
+            folder = msi_get_loaded_folder( package, folder->Parent );
+        }
+        msi_resolve_target_folder( package, folder->Directory, TRUE );
+        link_folder = msi_get_target_folder( package, directory );
+    }
     /* may be needed because of a bug somewhere else */
     msi_create_full_path( link_folder );