ssh-keygen opens NULL filename

[Martin MOKREJŠ]

Hi,
  it's impossible to use -f option with ssh-keygen with version 3.5p1:

$ ./ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ""
Generating public/private dsa key pair.
open  failed: No such file or directory.
Saving the key failed: .
$

-- 
Martin Mokrejs <mmokrejs at natur.cuni.cz>, <m.mokrejs at gsf.de>
PGP5.0i key is at http://www.natur.cuni.cz/~mmokrejs
MIPS / Institute for Bioinformatics <http://mips.gsf.de>
GSF - National Research Center for Environment and Health
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