[U-Boot] [PATCH] avoid flash writes for new keys, with no values with fw_setenv

[Wolfgang Denk]

Dear Sridhar Addagada,

In message <1324457962.60605.YahooMailNeo at web120203.mail.ne1.yahoo.com> you wrote:
>
> This will avoid flash writes for fw_setenv command where the key is not present the environment and no value has been provided.

Line too long.  And your patch is white space corrupted.  Please fix
your mailer, or better use git-format-patch and git-send-email instead.

Also, make sure to always call fw_env_close().

Best regards,

Wolfgang Denk

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