[Buildroot] [PATCH] libraw: fix build with gcc 6.x

[Thomas Petazzoni]

Hello,

On Sat, 27 Aug 2016 00:26:31 +0200, Arnout Vandecappelle wrote:

>  Hm, turns out that what you put here indeed doesn't fix it completely:
> 
> internal/dcraw_common.cpp: In member function ‘void LibRaw::kodak_radc_load_raw()’:
> internal/dcraw_common.cpp:2491:3: error: narrowing conversion of ‘-2’ from ‘int’
> to ‘char’ inside { } [-Wnarrowing]

Weird, I definitely built the package with a gcc 6.x toolchain, and it
was building fine. Maybe the failure only occurred with some additional
optional dependencies enabled?

>  I was waiting for upstream to fix that one as well (Debian runs into it too, on
> the 0.17 branch, so it ought to be fixed quickly).
> 
>  And indeed, Debian has fixed it already... I'll send a patch.

Your solution is also shorter/simpler, indeed.

Thanks,

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