Add an extra line before the hook doc for the `editor_stylesheets` filter begins.

The parser really likes it when there's breathing room.

See [32928]. See #32891.


git-svn-id: https://develop.svn.wordpress.org/trunk@33240 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/theme.php

@@ -1502,6 +1502,7 @@ function get_editor_stylesheets() {
 			}
 		}
 	}
+
 	/**
 	 * Filter the array of stylesheets applied to the editor.
 	 *