[PATCH v2 01/28] buildman: Refactor error-line output int a function

[sjg at google.com]

Reduce the amount of repeated code by creating an _OutputErrLines()
function to hold this code.

Signed-off-by: Simon Glass <sjg at chromium.org>
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Changes in v2: None

 tools/buildman/builder.py | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

Applied to u-boot-dm, thanks!