Fix syntax for single- and multi-line comments in root-directory files.

See #28931.

Built from https://develop.svn.wordpress.org/trunk@29205


git-svn-id: http://core.svn.wordpress.org/trunk@28989 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix syntax for single- and multi-line comments in wp-admin-directory files.

See #28931.

Built from https://develop.svn.wordpress.org/trunk@29206


git-svn-id: http://core.svn.wordpress.org/trunk@28990 1a063a9b-81f0-0310-95a4-ce76da25c4cd