Update Akismet external to 3.0.4 in trunk.


git-svn-id: http://core.svn.wordpress.org/trunk@30874 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add braces around a Docblock in an if statement, although not required by PHP, this is required by our coding standards for readability.
Introduced in 3.9 with r27365
See #25905

Built from https://develop.svn.wordpress.org/trunk@30886


git-svn-id: http://core.svn.wordpress.org/trunk@30876 1a063a9b-81f0-0310-95a4-ce76da25c4cd