Fixed: FS#2912 - /etc/suphp/suphp.conf fills with double lines on each update

Till Brehm

2014-02-16 d78ed105069455bdf43a8d6f4f4ecc99152c55ec

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auth    required   pam_mysql.so user={mysql_server_ispconfig_user} passwd={mysql_server_ispconfig_password} host={mysql_server_ip} db={mysql_server_database} table=mail_user usercolumn=login passwdcolumn=password crypt=1
account sufficient pam_mysql.so user={mysql_server_ispconfig_user} passwd={mysql_server_ispconfig_password} host={mysql_server_ip} db={mysql_server_database} table=mail_user usercolumn=login passwdcolumn=password crypt=1