QA output created by 355
Check that suid/sgid bits are cleared after direct write
== with no exec perm
before: -rwSr-Sr--
after:  -rw-r-Sr--
== with user exec perm
before: -rwsr-Sr--
after:  -rwxr-Sr--
== with group exec perm
before: -rwSr-sr--
after:  -rw-r-xr--
== with user+group exec perm
before: -rwsr-sr--
after:  -rwxr-xr--