[PATCH 1/6] patman: Fix 'warning' typo

[sjg at google.com]

If no warnings are detected due to checkpatch having unexpected options,
patman currently shows an error:

   TypeError: unsupported operand type(s) for +=: 'int' and 'property'

Fix this by initing the variable correctly.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/patman/checkpatch.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to u-boot-dm, thanks!