[RFA] Add libiberty/argv.c:countargv

[Doug Evans]

On Tue, Sep 20, 2011 at 11:23 AM, Doug Evans <dje@google.com> wrote:
> Hi.
>
> Part of the abstraction of an argv is a count of the number elements.
> This patch adds countargv which I have use for in gdb.
>
> Ok to check in?
>
> 2011-09-20  Doug Evans  <dje@google.com>
>
>        include/
>        * libiberty.h (countargv): Declare.
>
>        libiberty/
>        * argv.c (countargv): New function.

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