Patch merged into coreboot/master: ec43d38 libpayload: fix possible mem leak in get_option_as_string()

the following patch was just integrated into master:
commit ec43d3821cc94bc7d600ed8e63d903196160d1c7
Author: Mathias Krause 
Date:   Wed Feb 8 10:31:42 2012 +0100

libpayload: fix possible mem leak in get_option_as_string()

Change-Id: I7c3adbd1b72be81585bbaabb42532fc4cad57f58
    Signed-off-by: Mathias Krause

Build-Tested: build bot (Jenkins) at Fri Feb 10 11:53:17 2012, giving +1
Reviewed-By: Peter Stuge  at Fri Feb 10 15:15:01 2012, giving +2
See http://review.coreboot.org/616 for details.

-gerrit