Chris Osgood 0ebf194069 build: fix warnings from grep
Fixes build warnings when using newer versions of grep.

Signed-off-by: Chris Osgood <chris_github@functionalfuture.com>
Tested-by: Georgi Valkov <gvalkov@gmail.com>
2022-09-29 21:14:57 +08:00
..
2022-09-29 21:14:57 +08:00