[Bug c/82752] Support %OB, %Ob strftime formats

[zackw at panix dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82752

Zack Weinberg <zackw at panix dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |zackw at panix dot com

--- Comment #1 from Zack Weinberg <zackw at panix dot com> ---
And in strptime, %OB, %Ob, and %Oh should be supported.