Patch merged into coreboot/master: cbfstool: avoid naming variables "index"

the following patch was just integrated into master:
commit 172a14de8e26d4aeff5d5cacc45bebab6bf670f4
Author: Patrick Georgi 
Date:   Sat Oct 31 01:35:20 2015 +0100

cbfstool: avoid naming variables "index"

Those may collide with strings.h's index(), included transitively
    through system headers.

Change-Id: I6b03236844509ea85cfcdc0a37acf1df97d4c5f3
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/12279
    Reviewed-by: Timothy Pearson 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel

See http://review.coreboot.org/12279 for details.

-gerrit