bug-893: Fix syntax error: missing closing brace

Signed-off-by: Michael Tänzer <neo@nhng.de>
bug 893: changed $rc to $rc2
bug 893: removed returns from some functions in includes/temp_functions.php
bug 893: Added check for correct arbitrtation no + sequence no
bug 893: changed preg_match
Merge branch 'bug-893' of git://git-cacert.it-sls.de/cacert-devel into bug-893
bug 983: adjust preg_match to !==