[U-Boot] [PATCH v2] Fix compiler warning in imximage.c due to getline prototype

[Wolfgang Denk]

Dear Kumar Gala,

In message <1264609016-21475-1-git-send-email-galak at kernel.crashing.org> you wrote:
> imximage.c: In function 'imximage_parse_cfg_file':
> imximage.c:142: warning: implicit declaration of function 'getline'
> 
> Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
> ---
> * Moved _GNU_SOURCE define into imximage.c per Mike F. suggestion
> 
>  tools/imximage.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)

Applied, thanks.

Best regards,

Wolfgang Denk

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