[Buildroot] [PATCH] btrfs-progs: bump to version 3.18

[Thomas Petazzoni]

Dear Gustavo Zacarias,

On Wed, 31 Dec 2014 09:15:51 -0300, Gustavo Zacarias wrote:
> Backtrace is disable by default now so remove the definition to avoid
> duplicate warnings.
> 
> Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>

Applied, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com