David Crawshaw e9bca0c00b version/version.sh: strip wc whitespace on macos
The output of `wc -l` on darwin starts with a tab:

	git rev-list 266f6548611ad0de93e7470eb13731db819f184b..HEAD | wc -l
	       0

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
2020-11-08 10:32:58 -05:00
..
2020-06-12 22:38:12 +00:00
2020-11-06 18:36:47 -08:00