[U-Boot] patman: Handle checkpatch.pl not providing file/line info

[Tom Rini]

On Thu, Sep 27, 2012 at 03:33:46PM -0000, Simon Glass wrote:

> Sometimes we don't get a valid filename or line number from checkpatch.pl,
> for example if the patch is in a bad format. Deal with this by using a
> default value, rather than a stack trace.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/next, thanks!

-- 
Tom