[U-Boot] env_mmc: Fix broken build due to set_default_env() change

[Wolfgang Denk]

Dear Steve Sakoman,

In message <1286317898.27830.1.camel at quadra> you wrote:
> Previously the function was set_default_env(void), it is now
> set_default_env(const char *s). This patch adds the required
> parameter. This fixes a broken build on OMAP4430 SDP.
> 
> Signed-off-by: Steve Sakoman <steve.sakoman at linaro.org>
> ---
> 
> diff --git a/common/env_mmc.c b/common/env_mmc.c
> index 14203b6..cc288d4 100644
> --- a/common/env_mmc.c
> +++ b/common/env_mmc.c
> @@ -147,7 +147,6 @@ void env_relocate_spec(void)
>  #if !defined(ENV_IS_EMBEDDED)
>  static void use_default()
>  {
> -	puts ("*** Warning - bad CRC or MMC, using default environment\n\n");
> -	set_default_env();
> +	set_default_env(NULL);
>  }
>  #endif

Applied, thanks.

Best regards,

Wolfgang Denk

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