Docs: Improve the DocBlock summary for `WP_Query::parse_orderby()`.

See #41017.

Built from https://develop.svn.wordpress.org/trunk@41042


git-svn-id: http://core.svn.wordpress.org/trunk@40892 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-query.php

@@ -1506,8 +1506,7 @@ class WP_Query {
 	}
 
 	/**
-	 * If the passed orderby value is allowed, convert the alias to a
-	 * properly-prefixed orderby value.
+	 * Converts the given orderby alias (if allowed) to a properly-prefixed value.
 	 *
 	 * @since 4.0.0
 	 * @access protected

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41041';
+$wp_version = '4.9-alpha-41042';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.