gitdll.dll can crash if an already closed handle is closed again
By @mrtux on July 06, 2012 19:45 (imported from Google Code)
gitdll.dll tracks all open handles and closes them with close_all or an error. However, libgit has another list of openend handles for lock-files which might get closed explicitedly after all handles are already closed by the close_all method.
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