Allow selecting author by double click in inline comment

Summary: Otherwise line number gets selected too.

Test Plan: Double click author in inline comment.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1912

src/applications/differential/view/inlinecomment/DifferentialInlineCommentView.php

@@ -215,7 +215,7 @@ final class DifferentialInlineCommentView extends AphrontView {
       '<div class="differential-inline-comment-head">'.
         $anchor.
         $links.
-        '<span class="differential-inline-comment-line">'.$line.'</span>'.
+        ' <span class="differential-inline-comment-line">'.$line.'</span> '.
         phutil_escape_html($author).
       '</div>'.
       '<div class="differential-inline-comment-content">'.