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Fix crash if fnext/fprev are given an empty folder list
authorPeter Maydell <pmaydell@chiark.greenend.org.uk>
Mon, 20 Dec 2010 21:13:32 +0000 (21:13 +0000)
committerPeter Maydell <pmaydell@chiark.greenend.org.uk>
Mon, 20 Dec 2010 21:13:32 +0000 (21:13 +0000)
Add a check for a NULL pointer, which stops fnext/fprev
from segfaulting if given an empty folder list (for example
via 'fnext -folders emptyfile').

Signed-off-by: Peter Maydell <pmaydell@chiark.greenend.org.uk>


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