patchreceive-pack: update comment with check_everything_connected

> That function is now called "check_connected()", but we forgot to update
> this comment in 7043c7071c (check_everything_connected: use a struct
> with named options, 2016-07-15).
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> Just a minor annoyance I happened to notice while discussing in another
> thread. I notice both of us still called it check-everything-connected
> in our emails; old habits die hard, I suppose. ;)

>
>  builtin/receive-pack.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
> index a3bb13af10..3b7432c8e4 100644
> --- a/builtin/receive-pack.c
> +++ b/builtin/receive-pack.c
> @@ -1834,7 +1834,7 @@ static void prepare_shallow_update(struct command *commands,
>  	/*
>  	 * keep hooks happy by forcing a temporary shallow file via
>  	 * env variable because we can't add --shallow-file to every
> -	 * command. check_everything_connected() will be done with
> +	 * command. check_connected() will be done with
>  	 * true .git/shallow though.
>  	 */
>  	setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1);