Update OPENSSL_buf2hexstr() to use DEFAULT_SEPARATOR.

[abbypan]

let o_str.c OPENSSL_buf2hexstr follow DEFAULT_SEPARATOR, not static :

CLA: trivial

[paulidale]

Please don't add end of line white space.

[slontis]

I would just remove this comment change. The function is documented sufficiently in the corresponding .pod file.
If you want to change it maybe use ````using the separator DEFAULT_SEPARATOR``` and then
fix up the lines to not be larger than 80 chars.

[abbypan]

The end of line white space is removed.
The comment fall back, change 'len' to 'buflen' (<=80 chars).
Removed the merge commit.

[t8m]

Please remove the merge commits. We do not accept PRs with merge commits.

[slontis]

You can collapse your commits using
git rebase -i

Use reword on the first commit and then squash the other 2

You could reword it to something like this..

Update OPENSSL_buf2hexstr() to use DEFAULT_SEPARATOR.
CLA: trivial

Followed by a force push
git push -f

[t8m]

Please edit the commit message (again with git rebase -i or with git commit --amend to put one empty line between the first line - commit message subject and the rest of the commit message lines - commit message body).

[t8m]

OK with CLA: trivial.

[paulidale]

Okay with trivial

[openssl-machine]

24 hours has passed since 'approval: done' was set, but this PR has failing CI tests. Once the tests pass it will get moved to 'approval: ready to merge' automatically, alternatively please review and set the label manually.

[paulidale]

Merged, thanks for the contribution.