mandos-keygen: Allow dashes at start of --passfile file names
Bug fix: Allow file names passed as the argument of the --passfile/-F options to start with a dash (i.e. "-", a.k.a. 0x2D, the Unicode HYPHEN-MINUS character).
* mandos-keygen (mode=password): Change "cat" to "cat --".
|| dpkg --compare-versions "$2" eq "1.8.0-1~bpo9+1"; then
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if grep --quiet --regexp='^[[:space:]]*key_id[[:space:]]*=[[:space:]]*[Ee]3[Bb]0[Cc]44298[Ff][Cc]1[Cc]149[Aa][Ff][Bb][Ff]4[Cc]8996[Ff][Bb]92427[Aa][Ee]41[Ee]4649[Bb]934[Cc][Aa]495991[Bb]7852[Bb]855[[:space:]]*$' /etc/mandos/clients.conf; then