- Add missing variable initialisations - Add protections against possible null pointers. This should fix the bug #71758: DoubleClicked(NULL) called by TGFileBrowser::Update (https://savannah.cern.ch/bugs/?71758)
- Add missing variable initialisations
- Add protections against possible null pointers. This should fix the bug #71758: DoubleClicked(NULL) called by TGFileBrowser::Update (https://savannah.cern.ch/bugs/?71758)


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@35020 27541ba8-7e3a-0410-8455-c3a389f83636

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