Jake Spurlock 4ffefc2574 Comments: Avoid PHP notice in get_comment_reply_link() for null comment.
If there is no global comment, or the input comment is null, return early to prevent warnings.

Fixes #41846
Props birgire, earnjam



git-svn-id: https://develop.svn.wordpress.org/trunk@46335 602fd350-edb4-49c9-b593-d223f7449a82
2019-09-27 14:45:49 +00:00
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