fixes #13458, flash file uploader reset should also reset _fileMap
fixes #13458, flash file uploader reset should also reset _fileMap

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@30824 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful