[Pkg-kde-extras] Don't use stdin

[Eduard Bloch]

reassign 377716 kvpnc
reassign 377713 kvpnc
thanks

There is no point in reporting bugs against vpnc if there are already
safe ways to pass credentials to it, and kvpnc should start using them.
How? Make a secure socket. Take your config file contents. Add password
data with the appropriate directives in memory (see vpnc --long-help).
Make a safe temporary directory, create a socket file therein, tell vpnc
to use this socket as config file and write your cooked config file
contents into it.

Problem solved. Closing the bugreports.

Eduard.

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