tree bb472075299e88155d5384192c9cde337c38364e
parent ebd0a0ae05a44769c4e27458ad4e9f3438250443
author Jeffrey Mann <mannj@embeddedplanet.com> 1177329611 +0200
committer Wolfgang Denk <wd@denx.de> 1178393420 +0200

[patch] setenv(...) can delete environmentalvariables

update setenv() function so that entering a NULL value for the
variable's value will delete the environmental variable

Signed-off-by: Jeffrey Mann <mannj@embeddedplanet.com>
Acked-by: Stefan Roese <sr@denx.de>