Fixes #12636 !strict. Initialize this._appFooterHeight in case resize() is not called.
Fixes #12636 !strict. Initialize this._appFooterHeight in case resize() is not called.

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@24267 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful