chmod o=u bug (omits write bit)

Description of Problem:

    /bin/chmod o=u is broken (omits write bit) see below:

Version-Release number of selected component (if applicable):

    fileutils-4.1-10

How Reproducible:

    always

Steps to Reproduce:

    $ umask 0
    $ umask
    0000
    $ touch foo
    $ /bin/chmod 700 foo
    $ ls -l foo
    -rwx------    1 corey    wheel           0 Aug  5 14:24 foo
    $ /bin/chmod o=u foo

Actual Results:

    $ ls -l foo
    -rwx---r-x    1 corey    wheel           0 Aug  5 14:24 foo

Expected Results:

    $ ls -l foo
    -rwx---rwx    1 corey    wheel           0 Aug  5 14:24 foo

Thanks in advance,
Corey