patchconfig --global --edit: generate correct .gitconfig template

> When the user asks to edit an empty .gitconfig file, we learned to
> generate a default version in 9830534e (config --global --edit: create
> a template file if needed, 2014-07-25), but the generated config
> mistakenly set core.user and core.email instead of user.name and
> user.email.  Fix this.
>
> Signed-off-by: Pete Harlan <pchpublic88@gmail.com>
> ---

>
> I ran up against this yesterday and it is easy enough to fix, but I
> don't have time right now to write tests for it.
>
>  builtin/config.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/builtin/config.c b/builtin/config.c
> index d32c532..bfd3016 100644
> --- a/builtin/config.c
> +++ b/builtin/config.c
> @@ -455,9 +455,9 @@ static char *default_user_config(void)
>  	struct strbuf buf = STRBUF_INIT;
>  	strbuf_addf(&buf,
>  		    _("# This is Git's per-user configuration file.\n"
> -		      "[core]\n"
> +		      "[user]\n"
>  		      "# Please adapt and uncomment the following lines:\n"
> -		      "#	user = %s\n"
> +		      "#	name = %s\n"
>  		      "#	email = %s\n"),
>  		    ident_default_name(),
>  		    ident_default_email());

> On Wed, May 6, 2015 at 10:56 AM, Junio C Hamano <gitster@pobox.com> wrote:
>> Thanks, I think this was already done in 7e110524 (config: fix
>> settings in default_user_config template, 2015-04-17).
>
> Whoops......indeed, I'll check more than just master next time, thanks.

> When the user asks to edit an empty .gitconfig file, we learned to
> generate a default version in 9830534e (config --global --edit: create
> a template file if needed, 2014-07-25), but the generated config
> mistakenly set core.user and core.email instead of user.name and
> user.email.