use application name in syslog

Should extract de application name used in Syslog from the command line.
Ex.

>  unixbox # /home/user/smf-spf/spf-milter -f -c ./smf-spf.conf 


> Apr 30 18:13:18 unixbox spf-milter[9191]: starting spf-milter 2.4.3 listening on unix:/var/run/smfs/smf-spf.sock