[U-Boot] [PATCH v2 04/10] patman: Rename 'str' variable in EmailPatches()

[sjg at google.com]

This is not a good variable name in Python because 'str' is a type. It
shows up highlighted in some editors. Rename it.

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

Changes in v2: None

 tools/patman/gitutil.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Applied to u-boot-dm, thanks!