patchDocument -g (--walk-reflogs) option of git-log

> Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
> ---
>
> Complained about on IRC. Thanks DrNick for proofreading and Gitster
> for patience.
>
>  Documentation/git-log.txt |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
> index 030edaf..96e8a3f 100644
> --- a/Documentation/git-log.txt
> +++ b/Documentation/git-log.txt
> @@ -46,6 +46,11 @@ include::pretty-formats.txt[]
>  -p::
>  	Show the change the commit introduces in a patch form.
>  
> +-g, \--walk-reflogs::
> +	Show commits as they were recorded in the reflog. The log contains
> +	a record about how the tip of a reference was changed.
> +	See also gitlink:git-ref-log[1].
> +
>
>  <paths>...::
>  	Show only commits that affect the specified paths.
>  
> -- 
> 1.5.1.1.819.gcfdd2